Code

Description

Causes

01

Transfer roller leak error 1
A current leak signal for the transfer roller is detected. A current feedback signal for the transfer roller is not detected.

• High voltage supply board defective • Poor connection of the PCU • Transfer/separation unit set incorrectly • Transfer roller damaged

101

Exposure Lamp Error
The peak white level is 64/255 digit or less (8 bit) when scanning the white plate.

• Exposure lamp defective • Exposure lamp stabilizer defective • Exposure lamp connector defective • Dirty scanner mirror or scanner mirror out of position • SBU board defective • SBU connector defective • Lens block out of position • Incorrect position or width of white plate scanning (SP4015)

120

Scanner home position error 1
The scanner home position sensor does not detect the off condition during initialization or copying.

• Scanner home position sensor defective • Scanner drive motor defective • Scanner home position sensor connector defective • Scanner drive motor connector defective • BICU board defective

121

Scanner home position error 2
The scanner home position sensor does not detect the on condition during initialization or copying.

• Scanner home position sensor defective • Scanner drive motor defective • Scanner home position sensor connector defective • Scanner drive motor connector defective • BICU board defective

141

Black offset level correction error
The black level cannot be adjusted within the target value during the automatic SBU adjustment.

• SBU board defective

143

SBU white/black level correction error
The automatic SBU adjustment has • Exposure lamp defective failed to correct the black level. The automatic SBU adjustment has failed to correct the white level twenty times consecutively.

• Exposure lamp defective • Dirty white plate • Incorrect position or width of white plate scanning (SP4015) • BICU board defective • SBU board defective

144

Communication Error between BICU and SBU
The BICU board cannot detect the SBU connect signal.

• The flat cable between the BICU board and the SBU has a poor connection • The flat cable between the BICU board and the SBU is damaged • BICU board defective • SBU defective

145

Automatic SBU adjustment error
During the automatic SBU adjustment, the machine detects that the white level read from the white plate or paper is out of range.(SP4015)

193

Image transfer error
Scanned images are not transferred to the controller memory within 1 minute.

• BICU board defective • Controller board defective

198

Memory address error
The BICU board does not receive memory addresses from the controller board.

• The firmware programs of the engine and the controller do not match. • BICU board defective • Controller board defective

202

Polygon Motor Error 1: ON Timeout
The machine does not detect the polygon motor lock signal for 10 seconds after the polygon motor has turned on.

• Polygon motor defective • SCRATCH error • I/F harness disconnected or loose

203

Polygon Motor Error 2: OFF Timeout
The machine does not detect the polygon motor unlock signal for 3 seconds after the polygon motor has turned off.

• Polygon motor defective • SCRATCH error • I/F harness disconnected or loose

204

Polygon Motor Error 3: XSCRDY Signal Error
The machine does detect the polygon motor unlock signal for 0.2 seconds after the polygon motor has turned on.

• Polygon motor defective • SCRATCH error • I/F harness disconnected or loose

220

Laser synchronization error
The main scan synchronization detector board cannot detect the laser synchronization signal for more than 5 consecutive 100 ms intervals.

• Poor connection between the LD unit and the BICU board • Damaged cable between BICU and LD unit • LD unit out of position • LD unit defective • BICU board defective

230

No laser writing signal (F-GATE) error
The laser-writing signal (F-GATE) fails to turn Low after the laser crosses 5 mm on the drum surface from the laser writing start position.

• BICU board defective • The fax controller or printer controller has a poor connection • Fax controller or printer controller defective

302

Charge roller current leak
A current leak signal for the charge roller is detected.

• Charge roller damaged • High voltage supply board defective • Poor connection of the PCU

390

TD sensor error
The TD sensor outputs less than 0.2 V or more than 4.0 V 10 times consecutively during copying.

• TD sensor abnormal • Poor connection of the PCU

391

Development bias leak
A development bias leak signal is detected.

• Poor connection of the PCU • High voltage supply board defective

392

TD sensor initial setting error
TD sensor initial setting is not performed correctly.

• ID sensor defective • No developer • Drum does not turn • Development roller does not turn • Poor connection of the PCU • The voltage is not applied to charge roller

402

Transfer roller leak error 2
A current leak signal for the transfer roller is detected. A current feedback signal for the transfer roller is not detected.

• High voltage supply board defective • Poor connection of the PCU • Transfer/separation unit set incorrectly • Transfer roller damaged

411

Discharge leak error
High-voltage power supply board detects the 50% or more of PWM duty for 0.2 seconds.

• Discharge plate defective • High-voltage power supply board defective

490

Toner supply motor: Excess current error
The machine detects the current of 1A or more supplied to the toner supply motor for 0.2 seconds.

• Toner supply motor short circuit

500

Main motor lock
A main motor lock signal is not detected for more than 7 consecutive checks (700 ms) after the main motor starts to rotate, or the lock signal is not detected for more than 7 consecutive checks during rotation after the last signal.

• Too much load on the drive mechanism • Main motor defective

501

Tray 1 lift motor malfunction
The paper lift sensor fails to activate twice continuously after the tray lift motor has been on for 18 seconds.

• Paper lift sensor defective • Tray lift motor defective • Too much load on the drive mechanism • Poor tray lift motor connection

502

Tray 2 lift motor malfunction
The paper lift sensor fails to activate twice continuously after the tray lift motor has been on for 18 seconds.

• Paper lift sensor defective • Tray lift motor defective • Too much load on the drive mechanism • Poor tray lift motor connection

503

Tray 3 lift motor malfunction (optional paper tray units)
The paper lift sensor fails to activate twice continuously after the tray lift motor has been on for 18 seconds.

• Paper lift sensor defective • Tray lift motor defective • Too much load on the drive mechanism • Poor tray lift motor connection

504

Tray 4 lift motor malfunction (optional two-tray paper tray unit)
The paper lift sensor fails to activate twice continuously after the tray lift motor has been on for 18 seconds.

• Paper lift sensor defective • Tray lift motor defective • Too much load on the drive mechanism • Poor tray lift motor connection

506

Paper feed motor lock (optional paper tray unit)
A motor lock signal is not detected for more than 1.5 s or the lock signal is not detected for more than 1.0 s during rotation.

• Paper feed motor defective • Too much load on the drive mechanism

541

Fusing thermistor open (center)
The fusing temperature detected by the thermistor is below 71°C and is not corrected after the main power switch is turned on.

• Fusing thermistor defective or out of position • Power supply board defective • Loose connectors

542

Fusing temperature warm-up error (center)
The fusing temperature rises less than 7 degrees in 2 seconds, and this continues 5 times consecutively. The fusing temperature is not detected in 25 or 35 seconds.

• Fusing thermistor defective or out of position • Fusing lamp open • Power supply board defective

Code

Description

Causes

543

Fusing overheat error (center)
The fusing temperature is over 230°C for 1 second (detected by the thermistor).

• Fusing thermistor defective • Power supply board defective

544

Fusing overheat error (center) 2
The fusing temperature is over 250°C for 1 second (detected by the fusing temperature monitor circuit).

• Fusing thermistor defective • Power supply board defective

545

Fusing lamp overheat error (center)
After the fusing temperature reaches the target temperature, the fusing lamp does not turn off for 12 consecutive seconds.

• Fusing thermistor defective or out of position • Power supply board defective

546

Unstable fusing temperature (center)
The fusing temperature varies 50° C or more within 1 second, and this occurs 2 consecutive times.

• Thermistor defective or out of position • Power supply unit defective

547

Zero cross signal malfunction
The relay terminal of the fusing unit is melted, zero cross signals are not detected within 3 seconds after the main power switch is turned on, or detected zero cross signals are 44 times or less.

• Discharge plate defective • High-voltage supply board defective • BICU defective

551

Fusing thermistor open (rear)
The fusing temperature detected by the thermistor is below 71°C and is not corrected after the main power switch is turned on.

• Fusing thermistor defective or out of position • Power supply board defective • Loose connectors

552

Fusing temperature warm-up error (rear)
The fusing temperature rises less than 7 degrees in 2 seconds, and this continues 5 times consecutively. The fusing temperature is not detected in 25 or 35 seconds.

• Fusing thermistor defective or out of position • Fusing lamp open • Power supply board defective

553

Fusing overheat error (rear)
The fusing temperature is over 230°C for 1 second (detected by the thermistor).

• Fusing thermistor defective • Power supply board defective

555

Fusing lamp overheat error (rear)
After the fusing temperature reaches the target temperature, the fusing lamp does not turn off for 20 consecutive seconds.

• Fusing thermistor defective or out of position • Power supply board defective

556

Unstable fusing temperature (rear)
The fusing temperature varies 50° C or more within 1 second, and this occurs 2 consecutive times.

• Thermistor defective or out of position • Power supply unit defective

557

Zero cross frequency error
When the zero cross signal is 66 or more and it is detected 10 times or more in 11 detections, the machine determines that input 60 Hz and SC557 occurs.

• Noise (High frequency)

559

Jam error detected 3 times in succession
• The exit sensor and the duplex sensor detect a paper jam 3 times in succession • This condition can occur when SP 1159 1 is set to ‘on’. The default is ‘off’.

Paper jams can occur for the following reasons. • Dampness • Paper curl • Incorrect paper setting in the paper tray • Stripper pawls coming apart

590

Left exhaust fan motor error
The CPU detects an exhaust fan lock signal for more than 5 seconds.

• Loose connection of the exhaust fan motor • Too much load on the motor drive

591

Rear exhaust fan motor error
The CPU detects an exhaust fan lock signal for more than 5 seconds.

• Loose connection of the exhaust fan motor • Too much load on the motor drive

620

Communication error between BICU and ARDF
The BICU does not receive a response from the ARDF main board for 4 seconds or more. The BICU receives a break signal from the ARDF main board.

• Poor connection between the BICU and ARDF main board (DF connector) • ARDF main board defective • BICU defective

Code

Description

Causes

621

ARDF connection error
An incorrect ARDF (an ARDF for some other copier) is detected. (for Basic and GDI machines) An ARDF (including the correct ARDF) is installed while the copier is in the energy saver mode. (for GDI machine only)

• ARDF incorrect (The other ARDF is installed on the D010.) • The connector of the ARDF is removed while the machine is in the energy saver mode.

632

Accounting error
An error is detected during the communication with the MF accounting device.

• Accounting device defective • Loose connection

634

Accounting RAM error
An error is detected in the RAM that saves the information on the MF accounting.

• Accounting device defective

635

Accounting battery error
An error is detected in the battery that is in the MF accounting device.

• Accounting device defective

692

Controller board communication abnormal
Communication error between the printer part of the controller board and BICU.

• The connector is abnormal between the controller board and the BICU board.

694

Controller board communication abnormal
Communication error between the scanner part of the controller board and BICU.

• The connector is abnormal between the controller board and the BICU board.

740

Finisher corner stapler motor error
The stapler HP sensor does not detect "ON"/"OFF" signal even the stapler motor rotates from the "OFF"/"ON" position for 0.6 seconds. The stapler HP sensor does not detect "ON" when a stapling job is commanded or the stapler unit moves.

• Staple jam • Motor overload • Defective stapler motor

742

Finisher stapler movement motor error
The stapler unit HP sensor does not detect "OFF" signal even the stapler moves from the "ON" position for 0.35 seconds. The stapler HP sensor does not detect "ON" signal even the stapler moves from the "OFF" position for 5.5 seconds.

• Motor overload • Loose connection of the stapler unit home position sensor • Loose connection of the stapler movement motor • Defective stapler unit home position sensor • Defective stapler movement motor

750

Output tray motor error
The 1st detection failure issues a jam error, and the 2nd failure issues this SC code. • The machine does not detect correctly the position of the output tray when the output tray motor starts to rotate.

• Output tray motor defective • Loose connection • Motor overload • Upper limit sensor and/ or stack near limit sensor defective

760

ARDF gate abnormal 1
The ARDF Gate signal line between the ARDF main board and the BICU is disconnected.

• ARDF main board defective • Input/output board defective • Poor connection (ARDF Gate line) between the ARDF main board and the BICU.

761

ARDF gate abnormal 2
The FGATE signal is not issued from the ARDF within 30 seconds after the ARDF starts feeding.

• ARDF connector defective • SBU board defective

762

ARDF gate abnormal 3
The FGATE signal is not terminated by the ARDF within 60 seconds after the ARDF starts feeding.

• ARDF connector defective • SBU board defective

792

Finisher error
The machine does not recognize the finisher, but recognizes the bridge unit.

• Defective connector • Defective harness • Incorrect installation

793

Front jogger motor error
• The machine does not detect that the front jogger HP sensor is OFF for 40 ms after the front jogger fence moved. • The machine does not detect that the front jogger fence HP sensor is ON for 830 ms after the front jogger fence returned to its home position.

• Defective front jogger motor • Disconnected connector • Overload to front jogger motor • Defective front jogger fence HP sensor

794

Rear jogger motor error
• The machine does not detect that the rear jogger HP sensor is OFF for 40 ms after the rear jogger fence moved. • The machine does not detect that the rear jogger fence HP sensor is ON for 830 ms after the rear jogger fence returned to its home position.

• Defective rear jogger motor • Disconnected connector • Overload to rear jogger motor • Defective rear jogger fence HP sensor

Code

Description

Causes

795

Pick-up roller HP sensor error
• The pick-up roller HP sensor does not turn off for 650 msec after the pick-up roller has lifted down. • The pick-up roller HP sensor does not turn on for 650 msec after the pick-up roller has lifted up.

• Disconnected harness • Defective pick-up roller contact motor • Defective pick-up roller HP sensor

796

Transport belt solenoid error
The 1st detection failure issues a jam error, and the 2nd failure issues this SC code. • The machine does not detect that the belt lift sensor is ON at initializing after the paper transport motor has rotated.

• Disconnected harness • Defective paper transport motor • Belt lift sensor defective

797

EEPROM data error
The job data is not transferred to the EEPROM.

• Defective EEPROM on the control board

901

Mechanical total counter
The mechanical total counter does not work properly.

• Mechanical total counter defective • BICU defective • Disconnected mechanical total counter

903

Engine total counter error
The checksum of the total counter is not correct.

• NVRAM on the BICU defective

928

Memory error
The machine detects a discrepancy in the write/read data during its write/read test (done at power off/on and at recovery from low power or night/off mode).

• Memory defective • BICU defective • Poor connection between BICU and memory

929

IMAC hardware error
IMAC error is registered when the GDI controller starts IMAC. Memory job does not complete after the GDI controller has started IMAC.

• IMAC defective • IPU defective

954

Printer application program error
The printer status does not become ready when the printer application program is necessary for image processing.

• Application program defective

955

Image transfer error
The controller is not able to transfer images when the engine needs them.

• Application program defective

964

Status error (laser optics housing unit)
The optics-housing unit does not become ready within 17 seconds after the request.

• Software defective

981

NVRAM error
The machine detects a discrepancy in the NVRAM write/read data when attempting to save actual data to the NVRAM (i.e. during actual use).

• NVRAM defective • Poor connection between BICU and NVRAM • NVRAM is not connected • BICU defective

982

Localization error
The localization settings in the nonvolatile ROM and RAM are different (SP5807).

• First machine start after the NVRAM is replaced • Incorrect localization setting • NVRAM defective

984

Print image transfer error
Print images are not transferred.

• Controller defective • BICU board defective • Poor connection between controller and BICU