Zero cross signal error
The ZCROSS signal does not reach the engine board within 3 seconds after power on.e
Causes:
• Defective power supply unit. • Defective CPU U201 on the engine board.
Error code:
A2
Display:
DOCUMENT JAM
Description:
Jam at Door A
Causes:
• Duplex Unit, PL16.1.0
Remedy:
1 Check the following for evidence of fault, dirt, debris, or damage: • Door A • Door D • Duplex Unit Rollers • Duplex Unit connector • Duplex Sensors and Actuators Is there any damage or debris? Clean or replace the appropriate parts. Go to Step 2. 2 Test the Duplex Unit sensors. Run the Service Diagnostics for each of the four Duplex Unit sensors. Do the sensors and actuators function correctly Go to Step 3. Replace the damaged sensor. 3 Test the Duplex Unit motors. Run the Service Diagnostics Duplex Motor tests. Do the motors function correctly Go to Step 4. Replace the Duplex Unit 4 Inspect the wiring harness for the Duplex Unit. Is the wiring harness properly connected and free from defects? Replace the Duplex Unit. Replace the Engine Control Board.
Error code:
B2
Description:
DCN is received.
Causes:
• Defective gate array U204 on the engine board (KP-864). • Defective harness (S02400) between engine board and option unit interface connector. • Defective paper feeder PF-60.
Remedy:
This may happen in some cases of bad line condition. Attempt the transmission again.
Error code:
B3
Description:
DCS/DTC was not detected.
Causes:
• Defective gate array U204 on the engine board (KP-864). • Defective harness (S02400) between engine board and option unit interface connector. • Defective option paper feeder PF-60.
Remedy:
This may happen in some cases of bad line condition. Attempt the transmission again.
Error code:
B4
Description:
The sender performed fall-back but the transmission was not enabled. The receiver performed time-out after sending FTT. Or DCN is received.
Causes:
• Defective gate array U204 on the engine board (KP-864). • Defective harness (S02400) between engine board and option unit interface connector. • Defective paper feeder PF-60.
Remedy:
This may happen in some cases of bad line condition. Attempt the transmission again. Or ask the remote party to attempt the transmission again.
Error code:
C0
Description:
Image signal carrier was not detected.
Causes:
• Defective gate array U204 on the engine board (KP-864). • Blown-out fuse (F202) on the engine board. • Improper installation between printer and option paper feeder. • Defective harness (S02400) between engine board and option unit interface connector. • Improper connector insertion. • Defective option paper feeder PF-60.
Remedy:
This may happen in some cases of bad line condition. Ask the remote party to transmit again.
Error code:
C1
Description:
PF jam cass. 1
Causes:
• If the actuator of the Separation base unit safety switch is not depressed.
Remedy:
This may happen in some cases of bad line condition. Ask the remote party to transmit again.
Error code:
C2
Description:
PF jam cass. 2
Causes:
• If the actuator of the Master making unit safety switch is not depressed.
Remedy:
This may happen in some cases of bad line condition. Ask the remote party to transmit again.
Error code:
C4
Display:
SVC C4 ERROR
Description:
Machine has reset
Causes:
• If the master disposal box set sensor does not detect.
Remedy:
This may happen in some cases of bad line condition. Ask the remote party to transmit again.
Error code:
C7
Display:
SVC C7 ERROR
Description:
Error C7
Causes:
• If the Master removal 5 times.
Remedy:
1. Check if any thermistor connector is disconnected. 2. Check if any harness of the thermistors (center/rear, upper/lower) is open-circuited. 3. Check the LGC board if the connector J122 is disconnected. 4. After completing the repair of what caused the [C7] problem, proceed to rewrite the status counter (08-700) to "0", following the same procedure as for [C41] to [C48] .
Error code:
CE
Description:
BC RAM software
Causes:
• Defective harness (S02400) between engine board and option unit interface connector. • Defective option bulk paper feeder.
Remedy:
1 Waste toner sensor failure Check the sensor performance following the procedure described in “Function code 32”. If any problem occurs, replace the waste toner sensor. 2 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.
Error code:
CF
Description:
Auto toner adjustment did not take
Causes:
• Defective harness (S02400) between engine board and option unit interface connector. • Defective option bulk paper stacker HS-8E.
Remedy:
If this error occurs again even after the power switch is turned off and then on again, replace the main board (KP-5191) and check for correct operation.
Error code:
E0
Display:
SVC E0 ERROR
Description:
Machine has reset
Causes:
• Error with CPU and gate arrays of either the engine or main controller • Connection error between the engine board and the main controller board • Program overrun in the engine or main controllere
Remedy:
Remove the cause of the printer error, then ask the remote party to transmit again.
Error code:
E1
Display:
SVC E1 ERROR
Description:
Jam at Door E Paper misfeed jam between the Fuser and the Top Output Tray. Media reached the Fuser Exit Sensor, but did not reach the Top Output Tray Stack Full Sensor on time. This error represents a misfeed jam inside the Exit Assembly.
1 Check the following for evidence of fault or damage: • Door E • Fuser • Exit Rollers and drive gears • Stack Full Actuator • Exit Assembly Is there any damage or debris? Replace any damaged parts. Go to Step 2. 2 Test the Fuser Exit and Top Output Tray Stack Full Sensors. Do the sensors function correctly? Go to Step 4. Replace the sensor. If the error persists, go to Step 3. 3 Check all pins on the SNS Harness for continuity. Is the harness conductive? Go to Step 4. Replace the SNS Harness. 4 Test the Fuser Motor. Run the Service Diagnostics Fuser Motor test. Does the motor function correctly? Go to Step 6. Replace the motor. If the error persists, go to Step 5. 5 Check for +24 V to the Fuser Motor. Disconnect DCHEAT on the Motor Driver Board. Is there +24 V across DCHEAT-3 <=> ground? Go to Step 6. Replace the Motor Driver Board. If the error persists, go to Step 6. 6 Test the Exit Gate Solenoid. Run the Service Diagnostics Exit Gate Solenoid test. Does the solenoid function correctly. Go to Step 8. Replace the solenoid. If the error persists, go to Step 7. 7 Check for +24 V to the solenoid. 1. Actuate the interlock switches. 2. Disconnect SOLENOID from the Rear Sensor Board. Is there +24 V across SOLENOID-1 <=> ground? Go to Step 8. Replace the Rear Sensor Board. 8 Check the DRV0 and DRV1 ribbon cables that connect the Motor Driver Board to the Engine Control Board. Are these cables connected and undamaged? Replace the Engine Control Board. Replace the harnesses.
Error code:
E2
Display:
SVC E2 ERROR
Description:
Reset signal happened. Might read E-2 something else.
Error code:
E3
Display:
SVC E3 ERROR
Description:
Jam in transfer area
Causes:
• If the light path of the Clamp senors both C and L are not opened within 10 seconds after after the Clamp motor is activated. [During Master Release from the Clamp Plate] • If the light path of the Clamp sensor L is not blocked within 10 seconds after the Clamp motor is activated. • If the light path of the Clamp sensor C is not opened within 10 seconds after the Clamp motor is activated. [When the Clamp Plate opens during Master Clamping] • If the light path of the Clamp sensor L is not blocked within 10 seconds after the Clamp motor is activated. • If the light path of the Clamp sensor C is not opened within 10 seconds after the Clamp motor is activated. [When the Clamp Plate closes during Master Clamping] • If the light path of the Clamp sensor L is not opened within 10 seconds after the Clamp motor is activated.
Remedy:
Paper exit detector (POUT) signal recognition error 1) Paper exit detector (POUT) trouble 2) Paper exit detector (POUT) signal input circuit trouble REMEDY (Check) 1) Paper exit detector (POUT) 2) MCU PWB paper exit detector (POUT) signal input circuit (Remedy) 1) Paper exit detector (POUT) replacement 2) MCU PWB replacement (After work) 1) When the MCU PWB is replaced, perform simulations to input various set values and adjustment values.
Error code:
E4
Display:
E4-2:EXITJAM
Description:
Exit jam
Causes:
• If the Overflow sensor detects excessive ink in the Squeegee unit.
Remedy:
Remove excess ink from the Drum.
Error code:
E5
Display:
SVC E5 ERROR
Description:
Front door open
Causes:
• Connector error between CON1 board and the drum liaison board • Defective connector between the drum liaison board and the drum board • Defective transistors and logic gate ICs in the eraser controller circuit on the engine board • Connection error between drum unit board and eraser lamp • Broken eraser lamp
Error code:
E9
Display:
E9-Top Cover A Open
Description:
The top cover (Cover A) is open. Close the cover so that printing can continue.
Causes:
• Overcurrent in the toner motor circuitry due to an excessive torque • Toner motor locked • Defective gate array U2 • Defective toner motor driver transistor or overcurrent detector.
Remedy:
1. Close the cover. 2. Inspect the switch and ensure the switch’s actuator is not broken. 3. Test the top cover open switch using the sensor test described in “Switch scan test”. Inspect the switch’s wiring harness. 5. Replace the engine controller board.
Error code:
ED
Display:
Touchscreen Init. Failed
Description:
ADF jam
Causes:
. Data readout error on the flash ROM
Remedy:
Developer Motor Are the connectors connect with the Developer Motor properly? No Connect properly. Control PCB (PW10620) Enter the Service Mode and select the Manual Charging Test of the Function Checking Mode. (Refer to the page 8-24.) 1. Does the voltage between the CN106-4 (+) and CN106-6 (-) on the Control PCB (PW10620) change to about 6V to 0V when the Developer Motor rotates? 2. Is the voltage between CN211-4 (+) and CN211-1 (-) on the Control PCB (PW10620) about 24V during the Ready condition? No Replace the Control PCB (PW10620) with the new one. Developer Motor Motor Control PCB Replace the Developer Motor or the Motor Control PCB with the new one.
Error code:
F0
Display:
SVC F0 ERROR
Description:
The communication ended because of a WDT due to an overrun of the software.
Causes:
Defective main controller PWB. Defective operator panel PWB. Defective mainengine controllers relay PWB. Defective engine controller PWB . Defective harness between engine controller PWB and operator panel PWB, or poor contact of the connector terminals.
Remedy:
Attempt the communication again. If the error occurs frequently, perform a memory clear (except user area.)
Error code:
F1
Display:
F1
Description:
Collator jam
Remedy:
Attempt the communication again. If the error occurs frequently, perform a memory clear (except user area.)
Error code:
F2
Display:
F2
Description:
Optional Timeout error
Remedy:
1 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 2 Main PCB failure Replace the main PCB ASSY.
