SC Code Ricoh MP4000/5000

SC Code Ricoh MP4000/5000S

SC Tables: SC1xx
101DExposure lamp error
-001: Shading at AGC
-002: Shading at scanning
• The standard white level was not detected properly when scanning the white plate
• Exposure lamp defective
• Lamp stabilizer defective
• Exposure lamp connector defective
• Standard white plate dirty
• Scanner mirror or scanner lens out of position or dirty
• SBU defective
The peak white level is less than 64/255 digits (8 bits) when scanning the shading plate.
(The shading data peak does not reach the specified threshold)
120DScanner home position error 1
The scanner home position sensor does not detect the “OFF” condition during initialization
or copying.
• SIB or scanner drive motor defective
• Scanner motor defective
• Harness between SIB and scanner drive motor disconnected
• Harness between SIB and scanner drive motor power source disconnected
• Scanner HP sensor defective
• Harness between SIB and HP sensor disconnected
• Scanner wire, timing belt, pulley, or carriage defective
121DScanner home position error 2
The scanner home position sensor does not detect the “ON” condition during initialization
or copying.
• SIB or scanner motor drive board defective
• Scanner motor defective
• Harness between SIB and scanner drive motor disconnected
• Harness between SIB and scanner drive motor power source disconnected
• Scanner HP sensor defective
• Harness between SIB and scanner HP sensor disconnected
• Scanner wire, timing belt, pulley, or carriag
141DBlack level detection error
The black level cannot be adjusted within the target value during the zero clamp.
• Defective SBU

142DWhite level detection error
The white level cannot be adjusted within the target during auto gain control.
• Dirty exposure glass or optics section
• SBU board defective
• Exposure lamp defective
• Lamp stabilizer defective
143CSBU auto adjust error
One of the following occurred:
• When the machine was powered on, automatic adjustment of the SBU failed.
• Automatic white density adjustment failed when reading standard white plate.
• Exposure lamp defective
• Lamp stabilizer defective
• Lamp stabilizer connection loose, disconnected or damaged
• White plate mounting is incorrect or defective
• Scanner mirror or scanner lens out of position or dirty
• SBU, SCNB defective
• BICU (Ri10) defective
• Harness connections

144D -001: SBU connection error
The SBU connection cannot be detected at
power on or recovery from the energy save
mode.
• Defective SBU
• Defective harness
• Defective detection port on the BICU
-002: SBU serial communication error
The power ON of the SBU is not detected.
• Defective SIO, SBU or SCNB
• Defective harness
• Defective detection port on the BICU
-003: GASBU reset error
The serial communication does not work.
• Defective SBU
• Defective detection circuit on the BICU
• Defective harness
-004: VERSION error
The serial communication does not work.
• Defective SBU
• Defective detection circuit on the BICU
• Defective harness

145CScanner adjustment error
During the SBU adjustment, the machine detects that the white level read from the white
plate or paper is out of range. (SP4015)
• Exposure lamp defective
• Dirty white plate
• Incorrect position or width of white plate scanning (SP4015)
• BICU board defective
• SBU board defective

161DIPU error
The error result of self-diagnostic by the ASIC on the IPU is detected.
• Defective IPU
• Defective connection between IPU and SBU

165DCopy Data Security Unit error
The copy data security board is not detected when the copy data security function is set
“ON” with the initial setting.
A device check error occurs when the copy data security function is set to “ON” with the
initial setting.
• Incorrect installation of the copy data security board
• Defective copy data security

Sc Table: SC2xx
202DPolygon motor error 1: ON timeout
The polygon mirror motor does not reach the targeted operating speed within 10 sec. after
turning on or changing speed
203DPolygon motor error 2: OFF timeout
The polygon mirror motor does not leave the READY status within 3 sec. after the polygon
motor switched off.
204DPolygon motor error 3: XSCRDY signal error
The SCRDY_N signal remains HIGH for 200 ms while the LD unit is firing.
• Polygon motor/driver board harness loose or broken
• Polygon motor/driver board defective
• Laser optics unit defective
• IPU defective
220DLaser synchronizing detection error: start position LD0
The laser synchronizing detection signal for the start position of the LDB is not output for
two seconds after LDB unit turns on while the polygon motor is rotating normally
• The Copy Data Security Unit card not installed
• The Copy Data Security Unit card is installed, but it is not the correct type for the
machine.
221DLaser synchronizing detection error: start position LD1
The laser synchronizing detection signal for the start position of the LDB is not output for
two seconds after LDB unit turns on while the polygon motor is rotating normally.
• The Copy Data Security Unit card not installed
• The Copy Data Security Unit card is installed, but it is not the correct type for the
machine.
230DFGATE ON error
The FGATE signal does not assert within the prescribed time. (The BICU generates the
FGATE signal and sends it to the LD unit when the registration sensor switches on.)

231DFGATE OFF error
The FGATE signal does not assert within the prescribed time. (The BICU generates the
FGATE signal and sends it to the LD unit when the registration sensor switches on.)
• BICU defective
• BICU, Controller board harness loose or broken
• Controller board defective
240CLD error
The IPU detected a problem at the LD unit.
• Worn-out LD
• Disconnected or broken harness of the LD.
SC Table : SC3xx
302D Charge roller bias leak
A charge roller bias leak signal was detected.
• Charge roller damaged
• High voltage supply board defective
• PCDU harness defective or disconnected
304Dcharge roller bias correction leak
The charge roller bias correction is performed twice even if the maximum charge roller
bias (-2000V) is applied to the roller.
• ID sensor defective
• Worn charge roller
• Charge roller damaged
320DDevelopment roller bias leak
The maximum PMW duty (65%) is detected for 60 ms after the high voltage has been
supplied to the development unit.
• Development bias leak
• Broken harness
• Defective high voltage power supply, voltage supply
• Defective high voltage supply unit
324DDevelopment paddle motor error
The machine detects a lock signal error from the development puddle motor for 2 seconds
after the drum motor has turned on.
• Overload on the development puddle motor
• Defective development puddle motor
• Defective harness
• Defective IOB
350DID sensor pattern test error
One of the following readings occurred 10 times in the ID sensor output when the ID sensor
pattern was checked:
1) Vsp ≥ 2.5V
2) Vsg ≤ 2.5V
3) Vsp =0V
4) Vsg = 0V
• ID sensor connector defective
• Poor ID sensor connector connection
• I/O board (IOB) defective
• Poor writing of ID sensor pattern on the drum
• High voltage supply board defective
351DID sensor Vsg test error
When the ID sensor was checked, the ID sensor output voltage is 5.0V while the LED current
value is 0.
• ID sensor defective or dirty
• ID sensor connector defective
• Poor ID sensor connection
• I/O board (IOB) defective
• Scanning system defective
• High voltage supply board defective
• Defect at the ID sensor pattern writing area of the drum
355CGrayscale measurement error
When the grayscale control result is the maximum and it does not operate correctly and
these cases are detected 15 times.
• ID sensor defective or dirty
• The life of ID sensor or photo conductor
• Shield glass dirty
360DTD sensor (Vt) error 1
The following condition occurs thirty times consecutively during printing. Vt is less than 0.5V
or 4.8V or more
• TD sensor disconnected
• Harness between TD sensor and PCDU defective
• Defective TD sensor.
372DTD sensor adjustment error
Vts is less than 1.8V or 4.8V or more during TD sensor initialization.
• Heat seal not removed from a new developer pack
• TD harness sensor disconnected, loose or defective
• TD sensor defective
• Harness between TD sensor and drawer disconnected, defective
396DDrum motor error
The machine detects a lock signal error from the drum motor for 2 seconds after the drum
motor turned on.
• Overload on the motor
• Defective drum motor
• Defective harness
• Defective IOB
SC Table: SC4xx
400DVsg adjustment error
Vsg is more than 4.2V or 3.8V or less when the machine adjusts Vsg value.
• Dirty or defective ID sensor
• Defective ID sensor shutter
440DTransfer belt bias error
The feed back bias from the transfer belt is more than 4V for 60 msec while the transfer
belt bias is output.
The A/D conversion level is 20 or less for 60 msec.
The PWM duty is 24% or more for 60 msec.
• Power pack broken
• Defective harness
• Disconnected connector
441DTransfer/Development motor error
The machine detects a lock signal error from the transfer/development motor for 2 seconds
after the transfer/development motor turned on.
• Overload on the motor
• Defective transfer/development motor
• Defective harness
• Defective IOB
442DTransfer belt contact motor error
The transfer belt HP sensor detects incorrect movement of the transfer belt after the transfer
belt contact motor has turned on.
• Dirty transfer belt HP sensor
• Defective transfer belt contact motor
• Disconnected connector of the transfer belt HP sensor or motor
• Disconnected cable
• Defective IOB
SC Table: SC5xx-1
501B1st tray lift malfunction
The tray lift sensor is not activated after the tray lift motor has been on for 10 seconds. If
the main power switch is turned on when the paper is already at the feed height, the paper
height position is detected again. At this time, the tray lift sensor should de-activate within
1.5 sec after the paper bottom plate starts to drop. If it does not deactivate within 1.5 sec.,
a message will prompt the user to reset Tray 1. After two attempts to release the error by
re-setting the paper tray, if this does not solve the problem then this SC is displayed.
• An obstruction (jammed paper, paper scraps, etc.) has blocked the motor drive and
caused an overload.
• Tray lift sensor connection loose, disconnected, or damaged
• Tray lift sensor defective
• Tray lift motor connection loose, disconnected, or damaged
• Tray lift motor defective
502B2nd tray lift malfunction
The tray lift sensor is not activated after the tray lift motor has been on for 10 seconds. If
the main power switch is turned on when the paper is already at the feed height, the paper
height position is detected again. At this time, the tray lift sensor should de-activate within
1.5 sec. after the paper bottom plate starts to drop. If it does not deactivate within 1.5 sec.,
a message will prompt the user to reset Tray 2. After two attempts to re-set the paper tray,
if this does not solve the problem then this SC is displayed.
• An obstruction (jammed paper, paper scraps, etc.) has blocked the motor drive and
caused an overload.
• Tray lift sensor connection loose, disconnected, or damaged
• Tray lift sensor defective
• Tray lift motor connection loose, disconnected, or damaged
• Tray lift motor defective
5033rd tray lift malfunction (optional paper feed unit or LCT)
-1BFor the paper feed unit:
• SC 503-01 occurs if the lift sensor does not turn on within 10 seconds after the tray
lift motor has turned on.
For the LCT:
• SC 503-01 occurs if the lift sensor does not turn on or turn off within 8 seconds after
the tray lift motor has turned on to lift or lower the tray.
For the paper feed unit:
• Defective tray lift motor or connector disconnection
• Defective lift sensor or connector disconnection
For the LCT:
• Defective stack transport clutch or connector disconnection
• Defective tray motor or connector disconnection
• Defective end fence home position sensor or connector disconnection
• Defective upper limit sensor or connector disconnection
• Defective tray lift motor or connector disconnection

-2BThis SC is generated if the following condition occurs 3 consecutive times.
For the paper feed unit:
• When the tray lowers, the tray lift sensor does not go off within 1.5 sec.
For the LCT:
• When the main switch is turned on or when the LCT is set, if the end fence is not in its
position (home position sensor ON), the tray lift motor stops.
• If the upper limit does not go off for 1.5 seconds even the tray lift motor turns on to
lower the tray after the upper limit has been detected at power on.
For the paper feed unit:
• Defective tray lift motor or connector disconnection
• Defective lift sensor or connector disconnection
For the LCT:
• Defective stack transport clutch or connector disconnection
• Defective tray motor or connector disconnection
• Defective end fence home position sensor or connector disconnection
5044th tray lift malfunction (optional paper feed unit)
-1BFor the paper feed unit:
• When the tray lift motor turns on, the upper limit is not detected within 10 seconds. If
this condition occurs three consecutive times, the SC is generated.
For the paper feed unit:
• Defective tray lift motor or connector disconnection
• Defective lift sensor or connector disconnection
-2BFor the paper feed unit:
When the tray lift motor is turned on, the upper limit is not detected within 10 seconds.
If this condition occurs three consecutive times, the SC is generated.
• Defective tray lift motor or connector disconnection
• Defective lift sensor or connector disconnection

502 5th tray lift malfunction (optional LCT)
-1BThis SC is generated if the following condition occurs:
• When the tray lift sensor of the LCT 1200-sheet does not go on after the tray lift motor
has turned on to lift the paper tray.
• When the tray lift sensor of the LCT 1200-sheet does not go off after the tray lift motor
has turned on to lower the paper tray.
• When the tray lift sensor of the LCT 1200-sheet does not go on after the pick-up roller
solenoid has turned on at power on.
• Tray lift motor defective or disconnected
• Tray lift sensor defective or disconnected
-2BBoth tray lift sensor and lower limit sensor are turned on at the same time when the main
power is turned on or the right door is closed.
• Tray lift motor defective or disconnected
• Tray lift sensor defective or disconnected
• Lowe limit sensor defective or disconnected
530DFusing exhaust fan motor error
The IOB does not receive the lock signal for10 seconds after turning on the fusing exhaust
fan.
• Defective fusing exhaust fan motor or connector disconnection
• Defective IOB
• Disconnected harness
531DExhaust fan motor error
The IOB does not receive the lock signal for 10 seconds after turning on the exhaust fan
motor.
• Defective exhaust fan motor or connector disconnection.
• Defective IOB
• Disconnected harness
532DCooling fan motor error
The machine does not detect the fan motor lock signal for 10 seconds after turning on the
cooling fan motor.
• Defective cooling fan motor or connector disconnection.
• Disconnected harness
• Defective IOB
533DPaper exit cooling fan motor error
The machine does not detect the fan motor lock signal for 10 seconds after turning on the
paper exit cooling fan motor.
• Defective paper exit cooling fan motor or connector disconnection.
• Defective IOB
• Disconnected harness

540D <!– br { mso-data-placement:same-cell; } table { mso-displayed-deFusing motor error
The IOB does not receive the lock signal for 2 seconds after turning on the fusing motor.
• Motor overload
• Defective fusing motor or connector disconnection.
• Defective IOB
• Disconnected harness
SC Table: SC5xx-2
541AFusing thermistor open (center)
The thermistor (center) detects 0°C or less for 5 sec.
• Fusing thermistor disconnected
• Fusing thermistor connector defective
542AFusing temperature warm-up error(center)
This SC is generated if the following condition occurs:
• The thermistor (center) does not detect an 8°C increment in the fusing temperature
for 7.5 sec. just after the fusing temperature reached 45 °C.
• The temperature of the center thermistor does not reach the target temperature for
28 seconds after the fusing lamps turned on.
• Thermistor warped or broken
543AFusing overheat error 1 (software detection)
A fusing temperature (at the center) of over 230 °C (446 °F) is detected for 1 second by
the fusing thermistors at the center or at either end of the fusing roller.
• Power supply unit defective
• I/O board (IOB) defective
• BICU defective
• TRIAC short on PSU (PSU defective)
544AFusing overheat error 1 (hardware detection)
A fusing temperature (at the center) over 250 °C is detected by the fusing temperature
monitor circuit in the BICU board.
• I/O board (IOB) defective
• BICU defective
545AFusing lamp consecutive full power 1
After warm-up the fusing lamp remains at full power for 15 seconds without the hot roller
rotating.
• Disconnected or defective thermistors (center)
• Defective fusing lamp
551AFusing thermistor open (end)
The thermistor (end) detects 0°C or less for 5 sec.
• Fusing thermistor (end) disconnected
• Fusing thermistor (end) connector defective
552AFusing temperature warm-up error (end)
This SC is generated if the following condition occurs:
• The thermistor (end) does not detect an 8°C increment in the fusing temperature for
7.5 sec. just after the fusing temperature reached 45 °C.
• The temperature of the end thermistor does not reach the target temperature for 31
seconds after the fusing lamps turned on.
• Thermistor warped or broken
553AFusing overheat error 1 (software detection)
A fusing temperature (at the end) of over 230 °C (446 °F) is detected for 1 second by
the fusing thermistors at the center or at either end of the fusing roller.
• Power supply unit defective
• I/O board (IOB) defective
• BICU defective
• TRIAC short on PSU (PSU defective)
554AFusing overheat error 1 (hardware detection)
A fusing temperature (at the end) over 250 °C is detected by the fusing temperature
monitor circuit in the BICU board.
• I/O board (IOB) defective
• BICU defective
555AFusing lamp consecutive full power 1
After warm-up, the fusing lamp remains at full power for 15 seconds without the hot roller
rotating.
• Disconnected or defective thermistors (ends)
• Defective fusing lamp
559AFusing unit jam
The fusing sensor detected a fusing unit paper late jam three times. The paper was late
and the fusing exit sensor could not detect the paper three times.
• Remove the paper that is stopped in the fusing unit.
• Check that the fusing unit is clean and has no obstacles in the paper feed path.
• If the error persists, replace the fusing unit.
*IMPORTANT
SC559 does not operate until SP1159 has been set to “1” (ON). This sets the machine to count the
number of occurrences of paper late jams in the fusing unit. The default setting is “0” (OFF).
• SC559 is issued after the third occurrence of a paper late jam in the fusing unit. Once this SC has
been issued, the machine cannot be used until the service technician removes the cause of the jam
and restores it to normal operation.
• The jam counter is reset after a sheet of paper successfully passes the fusing exit sensor after the cause
of the jam has been removed

SC Table: SC6xx
610DMechanical counter error: BK
This SC is only for NA models.
The machine detects the mechanical counter error when SP5987-001 is set to “1”.
• Disconnected mechanical counter
• Defective mechanical counter
620BCommunication error between IOB and ADF
After the ARDF is detected, the break signal occurs or communication timeout occurs.
• Incorrect installation of ARDF
• ARDF defective
• IOB board defective
• External noise
621DCommunication timeout error between IOB and finisher or mailbox
A break (low) signal is received from the finisher or the mailbox.
• Disconnected cable
• Defective IOB
• Defective main board in the peripherals
622DPaper feed unit communication error
While the IOB communicates with a peripheral, an SC code is displayed if one of following
conditions occurs.
• The IOB receives the break signal which is generated by the peripheral only just
after the main switch is turned on.
• The IOB receives the break signal which is generated by URAT.
• Defective main control board of the peripheral
• Defective BICU or IOB
• Disconnected peripheral
623D2nd Paper Bank communication error
This SC is not issued for this machine.
When a communication error signal between the 1st paper bank and 2nd paper bank is
received.
• Loose connector
630CCSS communication error
A communication error occurred during communication with the CSS.
• Communication line error
632BMF accounting device error 1
The controller sends data to the accounting device, but the device does not respond. This
occurs three times.
• Loose connection between the controller and the accounting device
633BMF accounting device error 2
After communication is established, the controller receives the brake signal from the
accounting device.
• Loose connection between the controller and the accounting device
634BMF accounting device error 3
The accounting device sends the controller the report that indicates a backup RAM error
has occurred.
• Defective controller of the MF accounting device
• Battery error
635BMF accounting device error 4
The accounting device sends the controller the report that indicates the battery voltage
error has occurred.
• Defective controller of the MF accounting device
• Battery error
641BBICU communication error
The BICU does not respond to the frame transmitted from the controller.
• Defective controller
• Detective BICU
650Communication error of the remote service modem
(Embedded RCG-M)
-001BAuthentication error
The authentication for the Embedded RCG-M fails at a dial up connection.
• Incorrect SP settings
• Disconnected telephone line
• Disconnected modem board
Check and set the correct user name (SP5816-156) and password (SP5816-157).
-004BIncorrect modem setting
Dial up fails due to the incorrect modem setting.
• Same as -001
Check and set the correct AT command (SP5816-160).
-005Communication line error
The supplied voltage is not sufficient due to a defective communication line or defective
connection.
• Same as -001
Consult with the user’s local telephone company.
-011Incorrect network setting
Both the NIC and Embedded RCG-M are activated at the same time.
• Same as -001
Disable the NIC with SP5985-1.
-012Modem board error
The modem board does not work properly even though the setting of the modem board
is installed with a dial up connection.
• Same as -001
1. Install the modem board.
2. Check and reset the modem board setting with SP5816.
3. Replace the modem board
651CIncorrect dial up connection
-001: Program parameter error
-002: Program execution error
An unexpected error occurs when the modem (Embedded RCG-M) tries to call the center
with a dial up connection.
• Caused by a software bug
670DEngine startup error
The BICU fails to respond with the prescribed time when the machine is turned on.
• Connections between BICU and controller board are loose, disconnected, or
damaged
1. Replace the BICU
2. Replace the controller board
671DBICU error
The model code from the BICU is not correct when the machine is turned on.
Install the correct BICU for this model
672DController-to-operation panel communication error at startup
• After the machine is powered on, the communication between the controller and
the operation panel is not established, or communication with controller is
interrupted after a normal startup.
• After startup reset of the operation panel, the attention code or the attention
acknowledge code is not sent from the controller within 15 seconds.
• After the controller issues a command to check the communication line with the
controller at 30-second intervals, the controller fails to respond twice.
• Controller stalled
• Controller board installed incorrectly
• Controller board defective
• Operation panel connector loose or defective
• The controller is not completely shutdown when you turn the main switch off.
Check the setting of SP5875-001. If the setting is set to “1 (OFF)”, change it to “0 (ON)”.


687DMemory address (PER) command error
The BICU does not receive a memory address command from the controller for the
prescribed time after the paper has reached the registration sensor.
• Harness Disconnection at BICU
• Controller board loose or broken
• Defective BICU
• Defective Controller Board
SC Table: SC7xx-1
700DOriginal stopper HP error
When the pick-up motor turns on clockwise, the original stopper HP sensor does not detect
the home position of the original stopper.
• Defective original stopper HP sensor
• Defective pick-up motor
• Defective DF drive board

701DPick-up roller HP error
When the pick-up motor turns on counterclockwise, the pick-up roller HP sensor does not
detect the home position of the pick-up roller.
• Defective pick-up roller HP sensor
• Defective pick-up motor
• Defective DF drive board
721BFinisher jogger motor error
The jogger fences move out of the home position but the HP sensor output does not change
within the specified number of pulses.
The 1st failure issues an original jam message, and the 2nd failure issues this SC code.
• Jogger HP sensor disconnected, defective
• Jogger motor disconnected, defective
• Jogger motor overloaded due to obstruction
• Finisher main board and jogger motor
723BStack feed-out motor error
• The stack feed-out HP sensor does not detect the home position of the stack feed-out
belt 3000ms after the stack feed-out belt has moved to its home position.
• The stack feed-out HP sensor does not turn off 200 ms after the stack feed-out belt
has moved from its home position.
The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Defective stack feed-out HP sensor
Overload on the stack feed-out motor
• Defective stack feed-out motor
• Defective main board
• Disconnected or defective harness
725BFinisher exit guide plate motor error
After moving away from the guide plate position sensor, the exit guide is not detected at
the home position within the prescribed time.
The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Guide plate motor disconnected, defective
• Guide plate motor overloaded due to obstruction
• Guide plate position sensor disconnected, defective
726BShift jogger motor 1 error
The side fence does not retract within the prescribed time after the shift jogger motor 1
switches on.
The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Shift jogger motor 1 disconnected, defective
• Shift jogger motor 1 overloaded due to obstruction
• Shift jogger 1 HP sensor disconnected, defective
727BShift jogger motor 2 error
The side fence does not retract within the prescribed time after the shift jogger motor 2
switches on.
The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Shift jogger motor 2 disconnected, defective
• Shift jogger motor 2 overloaded due to obstruction
• Shift jogger 2 HP sensor disconnected, defective
728BShift jogger retraction motor error
The side fences do not retract within the prescribed time after the retraction motor switches
on.
The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Shift jogger retraction motor broken
• Shift jogger retraction motor connection loose
• Shift jogger retraction motor overloaded
• Defective shift jogger retraction HP sensor
730BFinisher Tray 1 shift motor error
The shift roller HP sensor of the upper tray does not activate within the prescribed time
after the shift tray starts to move toward or away from the home position.
The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Shift tray HP sensor of the upper tray disconnected, defective
• Shift tray motor of the upper tray disconnected, defective
• Shift tray motor of the upper tray overloaded due to obstruction
740BFinisher corner stapler motor error
The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
For the 2000/3000-sheet (booklet) finisher
• Staple movement is not finished after a certain time.
For the 1000-sheet finisher
• The stapler motor does not switch off within the prescribed time after operating.
• The HP sensor of the staple unit does not detect the home position after the staple unit
moves to its home position.
• The HP sensor of the staple unit detects the home position after the staple unit moves
from its home position.
• Staple jam
• Motor overload
• Defective stapler motor
741BFinisher corner stapler rotation motor error
The stapler does not return to its home position within the specified time after stapling.
The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Defective stapler rotation motor
• Overload to the stapler rotation motor
• Defective stapler rotation HP sensor
742BFinisher stapler movement motor error
Staple movement is not finished within a certain time.
The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Motor overload
• Loose connection of the stapler home position sensor
• Loose connection of the stapler movement motor
• Defective stapler home position sensor
• Defective stapler movement motor
743BBooklet stapler motor error 1
The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
For the 2000-sheet booklet finisher
The front stapler unit saddle-stitch motor does not start operation within the specified time.
• Motor overload
• Loose connection of the front stapler motor
• Defective front stapler motor

744BBooklet staple motor error 2
The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
For the 2000-sheet booklet finisher
The rear stapler unit saddle-stitch motor does not start operation within the specified time.
• Motor overload
• Loose connection of the rear stapler motor
• Defective rear stapler motor
SC Table: SC 7xx-2
750B1000/2000/3000-sheet (booklet) finisher: Tray lift motor error
The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
The upper tray paper height sensor does not change its status with the specified time after
the tray raises or lowers.
753BReturn roller motor error
This occurs during the operation of the lower tray pressure motor
• Motor harness disconnected, loose, defective
• Motor overloaded
• Home position sensor harness disconnected, loose, defective
• Home position defective
760BFinisher punch motor error
The punch HP sensor is not activated within the specified time after the punch motor turned
on.
The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Punch HP sensor disconnected, defective
• Punch motor disconnected or defective
• Punch motor overload due to obstruction
761BFinisher folder plate motor error
The folder plate moves but is not detected at the home position within the specified time.
The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Folder plate HP sensor disconnected, defective
• Folder plate motor disconnected, defective
• Folder plate motor overloaded due to obstruction.
763BPunch movement motor error
The punch unit moves but is not detected at the home position within the specified time
The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Motor harness disconnected, loose, defective
• Defective motor
764BPaper position sensor slide motor error
The paper position sensor moves but is not detected at the home position within the
specified time.
The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Motor harness disconnected, loose, defective
• Defective motor
765BFolding unit bottom fence lift motor
The folding unit bottom fence movement is not finished within a certain time.
The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Motor harness loose, broken
• Motor drive obstructed
• Motor defective
766BClamp roller retraction motor error
The clamp roller movement is not finished within a certain time.
The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Motor harness loose, broken
• Motor drive obstructed
• Motor defective
767BStack junction gate motor error
The stack junction gate motor moves but the stack junction gate is not detected at its position
within a specific time.
The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Motor broken
• Motor connection loose
• Motor overloaded
791D Bridge unit error
The machine recognizes the finisher, but does not recognize the bridge unit.
• Defective connector
• Broken harness
792BFinisher error
The machine does not recognize the finisher, but recognizes the bridge unit.
• Defective connector
• Defective harness
• Incorrect installation
SC Table: SC8xx-1
816DEnergy save I/O sub-system error
Energy saver sub-system detects an error.
• Defective controller board
817DMonitor Error
This is a file detection and electronic file signature check error when the boot loader
attempts to read the self-diagnostic module, system kernel, or root system files from the OS
Flash ROM, or the items on the SD card in the controller slot are false or corrupted.
• OS Flash ROM data defective; change the controller firmware
• SD card data defective; use another SD card
819CFatal kernel error
Due to a control error, a RAM overflow occurred during system processing. One of the
following messages was displayed on the operation panel.
0x696e init died
0x766d vm_pageout: VM is full
4361 Cache Error
Other
• System program defective
• Controller board defective
• Optional board defective
• Replace controller firmw

821DSelf-diagnostics error: ASIC
[XXXX]: Detailed error code
[0B00] ASIC error
The write-&-verify check error has occurred in the ASIC.
• Defective ASIC device
Replace the controller board
[0B06]ASIC error
The write-&-verify check error has occurred in the ASIC.
• Defective ASIC device
Replace the controller board
[0B10]SHM register error
• The initialization of bus connection or read for SHM fails.
• The register of SHM is different from the specified value.
• Defective connection bus
• Defective SHM
Replace the controller board.
[0D05]Self-diagnosis error: ASIC
The CPU checks if the ASIC timer works correctly compared with the CPU timer. If the ASIC
timer does not function in the specified range, this SC code is displayed.
• System firmware problem
• Defective RAM-DIMM
• Defective controller
Replace the controller board
822BSelf-diagnostic error: HDD
[3003]Check performed only when HDD is installed:
• HDD device busy for over 31 s.
• After a diagnostic command is set for the HDD, but the device remains busy for over
6 s.
• HDD defective
• HDD harness disconnected, defective
• Controller board defective
[3004]No response to the self-diagnostic command from the ASIC to the HDDs.
• HDD defective
824DSelf-diagnostic error : NVRAM
NVRAM device does not exist, NVRAM device is damaged, or NVRAM socket damaged.
• NVRAM defective
• Controller board defective
• NVRAM backup battery exhausted
• NVRAM socket damaged
839C USB NAND Flash ROM error
[9101]The ID of the USB NAND Flash ROM cannot be read.
• Defective controller board
[9110]The USB NAND Flash ROM controller is disconnected.
• Defective controller baord
851BIEEE 1394 I/F error
Driver setting incorrect and cannot be used by the 1394 I/F.
Not supported by this machine
• NIB (PHY), LINK module defective; change the Interface Board
• Controller board defective

853BWireless LAN Error 1
During machine start-up, the machine can get access to the board that holds the wireless
LAN, but not to the wireless LAN card (Bluetooth).
• Wireless LAN card missing (was removed)
854BWireless LAN Error 2
During machine operation, the machine can get access to the board that holds the wireless
LAN, but not to the wireless LAN card (Bluetooth).
• Wireless LAN card missing (was removed)
855BWireless LAN error 3
An error is detected on the wireless LAN card (802.11a/g, g or Bluetooth).
• Wireless LAN card defective
• Wireless LAN card connection incorrect
856BWireless LAN error 4
An error was detected on the wireless LAN card (Bluetooth).
• Wireless LAN card defective
• PCI connector (to the mother board) loose
857BUSB I/F Error
The USB driver is not stable and caused an error.
• Bad USB card connection
Replace the controller board
858CHDD Encryption unit error 1
A serious error occurs when data is encrypted to update an encryption key with the HDD
encryption unit.
[0]Encryption key acquisition error:
The controller fails to get a new encryption key.
• Defective controller board
Replace the controller board.
[1]Encryption key setting for HDD error:
The controller fails to copy a new encryption key to the HDD.
• Defective SATA chip on the controller board
Replace the controller board.
[2]NVRAM data encryption error 1:
An error occurs while the NVRAM data is encrypted.
• Defective NVRAM on the controller board
Replace the NVRAM.
[30]NVRAM data encryption error 2:
An error occurs before the NVRAM data is encrypted.
• Defective controller board
Replace the controller board
[31]Other error:
A serious error occurs while the data is encrypted.
• Same as SC991
859CHDD Encryption unit error 2
A serious error occurs when the HDD data is encrypted to update an encryption key with
the HDD encryption unit.
[8]HDD check error:
The HDD is not correctly installed.
• No HDD installed
• Unformatted HDD
• The encryption key on the controller is different from the one on the HDD
1. Install the HDD correctly.
2. Initialize the HDD.
[9]Power failure during the data encryption:
The data encryption (NVRAM and HDD) has not been completed.
• Power failure during the data encryption
Initialize the HDD.
[10]Data read/write error:
The DMAC error is detected twice or more.
• Same as SC863
SC Tables: SC8xx-2
860BHDD startup error at main power on
• HDD is connected but a driver error is detected.
• The driver does not respond with the HDD within 30 s.
• HDD is not initialized
• Label data is corrupted
• Defective HDD
Initialize the HDD with SP5832-001
861DHDD re-try failure
At power on, the HDD is detected. Power supply to the HDD is interrupted after the system
has entered the energy save mode, but after the HDD has been awakened from the energy
save mode, it does not return to the ready status within 30 sec.
• Harness between HDD and controller board disconnected, defective
• HDD power connector disconnected
• HDD defective
• Controller board defective
863DHDD data read failure
The data written to the HDD cannot be read normally, due to bad sectors generated during
operation.
• HDD defective
Note: If the bad sectors are generated at the image partition, the bad sector information
is written to NVRAM, and the next time the HDD is accessed, these bad sectors will not be
accessed for read/write operation.
864DHDD data CRC error
During HDD operation, the HDD cannot respond to a CRC error query. Data transfer does
not execute normally while data is being written to the HDD.
• HDD defective
865DHDD access error
HDD responded to an error during operation for a condition other than those for SC863,
864.
• HDD defective
866BSD card error 1: Confirmation
The machine detects an electronic license error in the application on the SD card in the
controller slot immediately after the machine is turned on. The program on the SD card
contains electronic confirmation license data. If the program does not contain this license
data, or if the result of the check shows that the license data in the program on the SD card
is incorrect, then the checked program cannot execute and this SC code is displayed.
• Program missing from the SD card
• Download the correct program for the machine to the SD card
867DSD card error 2: SD card removed
The SD card in the slot is removed while the machine is on.
Insert the SD card, then turn the machine off and on.
868DSD card error 3: SC card access
An error occurs while an SD card is used.
• SD card not inserted correctly
• SD card defective
• Controller board defective
Note: If you want to try to reformat the SC card, use SD Formatter Ver 1.1.
870BAddress book data error
The address book data cannot be read from the HDD, SD card or flash ROM on the
controller where it is stored, or the data read from the media is defective.
• Software defective:
Turn the machine off/on. If this is not the solution for the problem, then replace the controller
firmware.
• HDD defective.
More Details
• Do SP5846-046 (Initialize All Setting & Addr Book) to reset all address book data.
• Reset the user information with SP5832-006 (HDD Formatting– User Information).
• Replace the HDDs.


872BHDD mail receive data error
• The machine detects that the HDD is not operating correctly at power on.
• The machine detects that the HDD is not operating correctly (can neither read nor
write) while processing incoming email.
• HDD defective
• The machine is turned off while the HDD is being accessed.
Do SP5832-007 to format the mail RX data on the HDD
873BHDD mail send data error
An error is detected on the HDD immediately after the machine has been turned on, or
power has been turned off while the machine has used the HDD.
1. Do SP5832-008 (Format HDD – Mail TX Data) to initialize the HDD.
2. Replace the HDD
874DHDD mail send data error
An error is detected on the HDD immediately after the machine has been turned on, or
power has been turned off while the machine has used the HDD.
1. Do SP5832-008 (Format HDD – Mail TX Data) to initialize the HDD.
2. Replace the HDD
875DDelete All error 2: Data area
An error occurs while the machine deletes data from the HDD.
Note: The source of this error is the DataOverwriteSecurity Unit (D362) running from an
SD card.
Turn the main switch off/on and try the operation again
876CTLDLog Data Error
An error is detected in the handling of the log data at power on or during machine
operation. This can be caused by switching the machine off while it is operating
-001Log Data Error 1
• Damaged log data file in the HDD
Initialize the HDD with SP5832-004.
-002Log Data Error 2
• HDD encryption unit not installed
1. Ask the customer’s administrator to disable the HDD encryption setting with a
user tool.
2. Install the HDD encryption unit.
-003Log Data Error 3
• Invalid log encryption key due to defective NVRAM data
1. Initialize the HDD with SP5832-004.
2. Ask the customer’s administrator to disable the HDD encryption setting with a
user tool
-004Log Data Error 3
• Invalid log encryption key due to defective NVRAM data
1. Initialize the HDD with SP5832-004.
2. Ask the customer’s administrator to disable the HDD encryption setting with a
user tool
-005Log Data Error 5
• Installed a NVRAM or HDD which was used in another machine
1. Reinstall the previous NVRAM or HDD.
2. Initialize the HDD with SP5832-004.
-099Log Data Error 99
876CTLDLog Data Error
An error is detected in the handling of the log data at power on or during machine
operation. This can be caused by switching the machine off while it is operating.
• Other than the above causes
Ask your supervisor.
877BHDD DataOverwriteSecurity SD card error
The ‘all delete’ function cannot be executed but the DataOverwriteSecurity Unit (D362) is
installed and activated.
• Defective SD card (D362)
• SD card (D362) not installed
1. Replace the NVRAM and then install the new SD card (D362).
2. Check and reinstall the SD card (D362)
878DTPM system authentication error
The system firmware is not authenticated by TPM (security chip).
• Incorrect updating for the system firmware
• Defective flash ROM on the controller board
Replace the controller board.
880BFile Format Converter (MLB) error
A request to get access to the MLB is not answered within the specified time.
• MLB defective, replace the MLB
SC Tables: SC9xx
900D Electrical total counter error
The total counter contains something that is not a number.
• NVRAM incorrect type
• NVRAM defective
• NVRAM data scrambled
• Unexpected error from external source
920BPrinter error 1
An internal application error was detected and operation cannot continue.
• Software defective; turn the machine off/on, or change the controller firmware
• Insufficient memory
921DPrinter font error
A necessary font is not found in the SD card.
• A necessary font is not found in the SD card.
• The SD card data is corrupted.
925BNet File function error
The NetFile file management on the HDD cannot be used, or a NetFile management file
is corrupted and operation cannot continue. The HDDs are defective and they cannot be
debugged or partitioned, so the Scan Router functions (delivery of received faxes,
document capture, etc.), Web services, and other network functions cannot be used.
HDD status codes are displayed below the SC code.
• Refer to the four procedures below (Recovery from SC 925)

Here is a list of HDD status codes:

displaymeaning
-1HDD not connected
-2HDD not ready
-3 No label
-4 Partition type incorrect
-5 Error returned during label read or check
-6 Error returned during label read or check
-7 “filesystem” repair failed
-8 “filesystem” mount failed
-9 Drive does not answer command
-10 Internal kernel error
-11 Size of drive is too small
-12Specified partition does not exist
-13Device file does not exist

Recovery from SC 925
Procedure 1
If the machine shows SC codes for HDD errors (SC860 to SC865) with SC 925, do the recovery procedures
for SC860 to SC865.
Procedure 2
If the machine does not show one of the five HDD errors (SC860 to SC865), turn the machine power off
and on. If this is not the solution for the problem, then initialize the NetFile partition on the HDD with
SP5832-011 (HDD Formatting – Ridoc I/F).
NetFiles: Jobs printed from the document server using a PC and DeskTopBinder
• Before you initialize the NetFile partition on the HDD, tell the customer that:
• Received faxes on the delivery server will be erased
• All captured documents will be erased
• DeskTopBinder/Print Job Manager/Desk Top Editor job history will be erased
• Documents on the document server, and scanned documents, will not be erased.
• The first time that the network gets access to the machine, the management information must be
configured again (this will use a lot of time).
Before you initialize the Netfile partition with SP5832-011, do these steps:

1. Go into the User Tools mode and do “Delivery Settings” to print all received fax documents that are
scheduled for delivery. Then erase them.
2. In the User Tools mode, do Document Management> Batch Delete Transfer Documents.
3. Do SP5832-011, then turn the machine power off and on.
Procedure 3
If “Procedure 2” is not the solution for the problem, do SP5832-001 (HDD Formatting – All), then turn the
machine power off and on.
SP5832-001 erases all document and address book data on the hard disks. Ask the customer before you
do this SP code.
Procedure 4
If “Procedure 3” is not the solution for the problem, replace the HDD


990DSoftware error 1
The software performs an unexpected function and the program cannot continue.
• Software defective, re-boot
991CSoftware error 2
The software performs an unexpected function. However, unlike SC990, recovery
processing allows the program to continue.
• Software defective, re-boot

In order to get more details about SC990 and SC991:
1) Execute SP7403 or print an SMC Report (SP5990) to read the history of the 10 most recent logged
errors.
2) If you press the zero key on the operation panel with the SP selection menu displayed, you will see
detailed information about the recently logged SC990 or SC991, including the software file name, line
number, and so on.
NOTE
1) is the recommended method, because another SC could write over the information for the previous
SC.


992DUndefined error
Defective software program
• An error undetectable by any other SC code occurred
995CTLDController Board Mismatch
The information on the controller board does not match that of the machine
• Wrong controller board installed
997BSoftware Error 3: Cannot select application function
An application does not start after the user pushed the correct key on the operation panel.
• Software bug
• A RAM or DIMM option necessary for the application is not installed or not installed
correctly.
998DSoftware Error 4: Application cannot start
Register processing does not operate for an application within 60 s after the machine power
is turned on. No applications start correctly, and all end abnormally.
• Software bug
• A RAM or DIMM option necessary for the application is not installed or not installed
correctly.


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