| Trouble code |
Trouble content |
| E1 |
00 |
E-Sort board communication trouble |
| 10 |
E-Sort board trouble |
| 11 |
E-Sort ASIC error |
| 12 |
E-Sort CODEC error |
| 13 |
E-Sort flash ROM error |
| 14 |
E-Sort RAM error |
| 15 |
E-Sort page memory error |
| 16 |
E-Sort SIMM error |
| 17 |
Rotation RAM error |
| 80 |
E-Sort board communication trouble (Protocol) |
| 81 |
E-Sort board communication trouble (Parity) |
| 82 |
E-Sort board communication trouble (Overrun) |
| 84 |
E-Sort board communication trouble (Framing) |
| 88 |
E-Sort board communication trouble (Time-out) |
| E7 |
03 |
LSU trouble |
| 04 |
CCD white level trouble |
| 05 |
CCD black level trouble |
| F5 |
02 |
Copy lamp error |
| F6 |
00 |
FAX board communication trouble |
| 10 |
FAX board trouble |
| 80 |
FAX board communication trouble (Protocol) |
| 81 |
FAX board communication trouble (Parity) |
| 82 |
FAX board communication trouble (Overrun) |
| 84 |
FAX board communication trouble (Framing) |
| 88 |
FAX board communication trouble
(Time-out) |
| F9 |
00 |
Printer PWB communication trouble |
| 10 |
Printer PWB trouble |
| 80 |
Printer PWB communication trouble (Protocol) |
| 81 |
Printer PWB communication trouble (Parity) |
| 82 |
Printer PWB communication trouble (Overrun) |
| 84 |
Printer PWB communication trouble (Framing) |
| 88 |
Printer PWB communication trouble
(Time-out) |
| H2 |
00 |
Thermistor open detection |
| H3 |
00 |
Heat roller abnormally high temperature |
| H4 |
00 |
Heat roller abnormally low temperature |
| L1 |
00 |
Mirror base feed trouble |
| L3 |
00 |
Mirror base return trouble |
| L4 |
01 |
Main motor lock |
| 10 |
Job separator motor abnormality |
| L6 |
10 |
Polygon motor lock |
| L8 |
01 |
Zero cross pulse (FW) trouble |
| U2 |
04 |
EEPROM serial communication error |
| 11 |
Counter check sum error |
| 12 |
Adjustment value check sum error (EEPROM) |
| U3 |
29 |
Mirror base home position error |
| U9 |
00 |
Operation control PWB communication trouble |
| 80 |
Operation control PWB communication trouble
(Protocol) |
| 81 |
Operation control PWB communication trouble
(Parity) |
| 82 |
Operation control PWB communication trouble
(Overrun) |
| 84 |
Operation control PWB communication trouble
(Framing) |
| 88 |
Operation control PWB communication trouble (Time-
out) |
| U95 |
|
Operation control PWB connection error |
| U99 |
|
Operation control PWB connection error |
| Details of trouble codes |
Main
code |
Sub
code |
|
Detail of trouble |
| E1 |
00 |
Content |
E9-*** Communication trouble between MCU and E-Sort. |
| Detail |
Communication setup error, framing, parity, protocol error |
| Cause |
E-Sort PWB connector disconnection
E-Sort PWB MCU PWB harness failure
E-Sort Motherboard connector pin breakage.
E-Sort PWB ROM defect, data failure |
| Check and remedy |
Check the connectors and harness of the E-Sort PWB and the MCU PWB.
Check grounding of the machine.
Check the ROM of the E-Sort PWB. |
| 10 |
Content |
E-Sort PWB trouble |
| Detail |
Communication trouble between MCU and E-Sort |
| Cause |
E-Sort PWB connector disconnection
E-Sort PWB MCU PWB harness failure
E-Sort Motherboard connector pin breakage.
E-Sort PWB ROM defect, data failure |
| Check and remedy |
Check the connectors and harness of the E-Sort PWB and the MCU PWB.
Check grounding of the machine.
Check the ROM of the E-Sort PWB. |
| E11 |
11 |
Content |
E-Sort PWB ASIC error |
| Detail |
E-Sort PWB ASIC abnormality |
| Cause |
An ASIC abnormality is detected in the E-Sort PWB.
Control circuit hung up due to noises
ASIC peripheral circuit error |
Check and
remedy |
Replace the E-Sort PWB.
Check grounding of the machine. |
| 12 |
Content |
E-Sort PWB CODEC error |
| Detail |
E-Sort PWB CODEC error |
| Cause |
A CODEC error is detected in the E-Sort PWB. Control circuit hung up due to noises CODEC peripheral circuit error |
| Check and remedy |
Replace the E-Sort PWB. Check grounding of the machine. |
| 13 |
Content |
E-Sort PWB Flash ROM error |
| Detail |
E-Sort PWB Flash ROM abnormality |
| Cause |
A Flash ROM abnormality is detected in the E-Sort PWB. Control circuit hung up due to noises Flash ROM peripheral circuit error |
| Check and remedy |
Replace the E-Sort PWB.
Rewrite the flash ROM data.
Check grounding of the machine. |
| 14 |
Content |
E-Sort PWB Work RAM error |
| Detail |
E-Sort PWB Work RAM abnormality |
| Cause |
A Work RAM abnormality is detected in the E-Sort PWB. Control circuit hung up due to noises RAM peripheral circuit error |
| Check and remedy |
Replace the E-Sort PWB.
Check grounding of the machine. |
| 15 |
Content |
E-Sort PWB Page Memory error |
| Detail |
E-Sort PWB Page Memory abnormality |
| Cause |
A Page Memory abnormality is detected in the E-Sort PWB. Control circuit hung up due to noises Page Memory peripheral circuit error |
| Check and remedy |
Replace the E-Sort PWB.
Check grounding of the machine. |
| 16 |
Content |
E-Sort PWB SIMM error |
| Detail |
E-Sort PWB SIMM abnormality |
| Cause |
A SIMM abnormality is detected in the E-Sort PWB. Control circuit hung up due to noises SIMM peripheral circuit error |
| Check and remedy |
Replace the E-Sort PWB.
Replace the SIMM.
Check grounding of the machine. |
| 17 |
Content |
E-Sort PWB image rotating RAM error |
| Detail |
E-Sort PWB image rotating RAM abnormality |
| Cause |
A image rotating RAM abnormality is detected in the E-Sort PWB.
Control circuit hung up due to noises Image rotating RAM peripheral circuit error |
| Check and remedy |
Replace the E-Sort PWB.
Check grounding of the machine. |
| E1 |
80 |
Content |
E-Sort PWB communication trouble (protocol) |
| Detail |
Communication trouble between MCU and printer PWB (Protocol error) |
| Cause |
E-Sort PWB connector disconnection E-Sort PWB MCU PWB harness failure E-Sort Motherboard connector pin breakage. E-Sort PWB ROM defect, data failure |
| Check and remedy |
Check the connectors and harness of the E-Sort PWB and the MCU PWB.
Check grounding of the machine.
Check the ROM of the E-Sort PWB. |
| 81 |
Content |
E-Sort PWB communication trouble (Parity) |
| Detail |
Communication trouble between MCU and printer E-Sort (Parity error) |
| Cause |
E-Sort PWB connector disconnection E-Sort PWB MCU PWB harness failure E-Sort Motherboard connector pin breakage. E-Sort PWB ROM defect, data failure |
| Check and remedy |
Check the connectors and harness of the E-Sort PWB and the MCU PWB.
Check grounding of the machine.
Check the ROM of the E-Sort PWB. |
| 82 |
Content |
E-Sort PWB communication trouble (Overrun) |
| Detail |
Communication trouble between MCU and E-Sort PWB (Overrun error) |
| Cause |
E-Sort PWB connector disconnection E-Sort PWB MCU PWB harness failure E-Sort Motherboard connector pin breakage.
E-Sort PWB ROM defect, data failure |
| Check and remedy |
Check the connectors and harness of the E-Sort PWB and the MCU PWB.
Check grounding of the machine.
Check the ROM of the E-Sort PWB. |
| 84 |
Content |
E-Sort PWB communication trouble (Framing) |
| Detail |
Communication trouble between MCU and E-Sort PWB (Framing error) |
| Cause |
E-Sort PWB connector disconnection E-Sort PWB MCU PWB harness failure E-Sort Motherboard connector pin breakage.
E-Sort PWB ROM defect, data failure |
| Check and remedy |
Check the connectors and harness of the E-Sort PWB and the MCU PWB.
Check grounding of the machine.
Check the ROM of the E-Sort PWB. |
| 88 |
Content |
E-Sort PWB communication trouble (Time-out) |
| Detail |
Communication trouble between MCU and E-Sort PWB (Time-outerror) |
| Cause |
E-Sort PWB connector disconnection E-Sort PWB MCU PWB harness failure E-Sort Motherboard connector pin breakage.
E-Sort PWB ROM defect, data failure |
| Check and remedy |
Check the connectors and harness of the E-Sort PWB and the MCU PWB.
Check grounding of the machine.
Check the ROM of the E-Sort PWB. |
| E7 |
03 |
Content |
LSU trouble |
| Detail |
After the polygon motor becomes active, BD signal (HSYNC) from the LSU is not detected at the specified times (41 ±10 times within 20msec). |
| Cause |
LSU connector disconnection or LSU's inside harness disconnection or breakage Polygon motor rotation abnormality Improper positioning of the laser home position sensor in the LSU.
Laser power voltage failure Laser emitting diode abnormality MCU PWB abnormality |
| Check and remedy |
Improper connection of the LSU connector. Check the polygon motor operation with SIM 25-10.
Check printing with SIM64-1.
Check laser emission of laser emitting diode.
Check the LSU unit.
Check the MCU PWB. |
| 04 |
Content |
CCD white level trouble |
| Detail |
CCD white reference level which is read during the copy lamp
lighting is abnormal. |
| Cause |
Flat cable installation failure to CCD unit Dirt on the mirror, lens, and reference white plate Copy lamp lighting failure CCD unit installation failure CCD unit abnormality MCU PWB abnormality |
| Check and remedy |
Clean the mirror, the lens, and the reference white plate.
Check the copy lamp (SIM 5-3) ON.
CCD unit check MCU PWB check |
| 05 |
Content |
CCD black level trouble |
| Detail |
CCD black level which is read while the copy lamp is off is abnormal. |
| Cause |
Flat cable installation failure CCD unit abnormality MCU PWB abnormality |
| Check and remedy |
Check flat cable installation to the CCD unit.
CCD unit check MCU PWB check |
| H2 |
00 |
Content |
Thermistor open detection |
| Detail |
Fusing thermistor open |
| Cause |
Thermistor defect MCU PWB defect
Fusing section connector contact failure
Power failure Fusing unit not installed |
| Check and remedy |
Check the harness and the connector of the thermistor and the MCU.
Clear the self diag display with SIM 14. |
| H3 |
00 |
Content |
Heat roller abnormally high temperature |
| Detail |
Fusing temperature of 220 - 240-C. |
| Cause |
Thermistor defect MCU PWB defect
Fusing connector connection failure
Power failure |
| Check and remedy |
Check the heater lamp blinking with SIM 5-2. |
When the lamp blinks normally:
Check the thermistor and the harness. Check the MCU PWB thermistor input circuit. |
When the lamp lights up instead of blinking:
Check the lamp control circuit of the power PWB and the MCU PWB. |
| Clear the trouble with SIM 14. |
| H4 |
00 |
Content |
Heat roller abnormally low temperature |
| Detail |
When the temperature does not reach 155'C within 55 sec after turning on the power, or when it falls under 145'C during printing, or when it falls under 100'C during pre-heating. |
| Cause |
Thermistor failure Heater lamp failure
MCU PWB failure
Thermostat failure
Power failure
Interlock switch failure |
| Check and remedy |
Check blinking of the heater lamp with SIM 5-2. |
| |
When the lamp blinks normally:
Check the thermistor and the harness.
Check the MCU PWB thermistor input circuit. |
| Check and remedy |
When the lamp does not light:
Check for heater lamp disconnection or thermostat disconnection.
Check the interlock switch.
Check the power PWB and MCU PWB lamp control circuit. |
| Clear the trouble with SIM 14. |
| L1 |
00 |
Content |
Mirror base feed trouble |
| Detail |
The mirror home position (MHPS) does not turn off though the feed operation is completed during mirror initial operation after turning on the power.
The mirror home position (MHPS) does not turn off during shading operation.
The mirror home position (MHPS) does not turn on when the mirror base is returned for the specified time after copy feed is started and SPF scanning position shift is performed. |
| Cause |
Mirror unit defect Mirror home position sensor defect MCU PWB defect Scanner wire disconnection |
| Check and remedy |
Check the scanning operation with SIM 1-1. |
| L3 |
00 |
Content |
Mirror base return trouble |
| Detail |
The mirror home position (MHPS) does not turn on though the mirror base returning is completed during mirror initial operation after turning on the power.
The mirror home position does not turn on when the mirror is returned to the home position during shading.
The mirror home position (MHPS) does not turn on when the mirror base returning is completed for the specified time (about 6 sec) after copy return start. |
| Cause |
Mirror unit
Mirror home position sensor defect
MCU PWB defect
Scanner wire disconnection |
| Check and remedy |
Check the scanning operation with SIM 1-1. |
| L4 |
01 |
Content |
Main motor lock |
| Detail |
The main motor encoder pulse is not detected for 400msec. |
| Cause |
Main motor defect
Harness disconnection between the MCU PWB and the main motor.
Control circuit failure |
| Check and remedy |
Check the main motor operation with SIM 25-1.
Check the harness and the connector between the MCU PWB and the main motor. |
| L6 |
10 |
Content |
Polygon motor lock |
| Detail |
The lock signal (the specified rotation speed signal) is not supplied within the specified time (about 6 sec)after starting the polygon motor rotation. |
| Cause |
LSU connector disconnection or harness disconnection in the LSU. |
| Check and remedy |
Check the operation of the polygon motor with SIM 25-10.
Check the harness and the connector connection.
LSU replacement |
| L8 |
01 |
Content |
Zero cross pulse (FW) trouble |
| Detail |
Zero cross pulse width is shifted by 55Hz ± 10% or more. |
| Cause |
MCU PWB defect Power unit breakdown |
| Check and remedy |
Check the harness and the connector.
MCU PWB replacement
Power unit replacement |
| U2 |
04 |
Content |
EEPROM serial communication error |
| Detail |
Error in communication with EEPROM |
| Cause |
EEPROM failure Installation of uninitialized EEPROM
MCU PWB EERPOM access circuit failure |
| Check and remedy |
Check that the EEPROM is properly set.
To prevent against loss of counter/adjustment values, record the values with simulation.
U2 trouble cancel with SIM 16 MCU PWB replacement |
| 11 |
Content |
Counter check sum error |
| Detail |
Counter check sum value stored in the EEPROM is abnormal. |
| Cause |
EEPROM failure
Control circuit hung up by noises
MCU PWB EEPROM access circuit defect |
| Check and remedy |
Check that the EEPROM is properly set.
To prevent against loss of counter/adjustment values, record the values with simulation.
U2 trouble cancel with SIM 16
MCU PWB replacement |
| 12 |
Content |
Adjustment value check sum error (EEPROM) |
| Detail |
Adjustment value data area check sum error |
| Cause |
EEPROM failure
Control circuit hung up by noises
MCU PWB EEPROM access circuit failure |
| Check and remedy |
Check that the EEPROM is properly set.
To prevent against loss of counter/adjustment values, record the values with simulation.
U2 trouble cancel with SIM 16
MCU PWB replacement |
| U3 |
29 |
Content |
Mirror base home position error |
| Detail |
Home position is not detected when starting mirror base shift. |
| Cause |
Mirror unit defect
Mirror home position sensor defect
MCU PWB decfect
Scanner wire disconnection |
| Check and remedy |
Check the scanning operation with SIM 1-1. |
| U9 |
00 |
Content |
U9-** Communication trouble between MCU and OPE (OPE detection) |
| Detail |
Communication setup error, framing, parity, protocol error |
| Cause |
Operation control PWB connector disconnection
Operation control PWB MCU PWB harness failure |
| Check and remedy |
Check the connectors and harness of the operation control PWB and the MCU PWB.
Check grounding of the machine.
Check the ROM of the operation control PWB. |
| 80 |
Content |
Operation control PWB communication trouble (Protocol) |
| Detail |
Communication trouble between MCU and the operation control PWB (Protocol error) |
| Cause |
Operation control PWB connector disconnection
Operation control PWB MCU PWB harness failure |
| Check and remedy |
Check the connectors and harness of the operation control PWB and the MCU PWB.
Check grounding of the machine. |
| 81 |
Content |
Operation control PWB communication trouble (Parity) |
| Detail |
Communication trouble between MCU and the operation control PWB (Parity error) |
| Cause |
Operation control PWB connector disconnection
Operation control PWB MCU PWB harness failure |
| Check and remedy |
Check the connectors and harness of the operation control PWB and the MCU PWB.
Check grounding of the machine. |
| 82 |
Content |
Operation control PWB communication trouble (Overrun) |
| Detail |
Communication trouble between MCU and the operation control PWB (Overrun error) |
| Cause |
Operation control PWB connector disconnection
Operation control PWB MCU PWB harness failure |
| Check and remedy |
Check the connectors and harness of the operation control PWB and the MCU PWB.
Check grounding of the machine. |
| 84 |
Content |
Operation control PWB communication trouble (Framing) |
| Detail |
Communication trouble between MCU and the operation control PWB (Framing error) |
| Cause |
Operation control PWB connector disconnection
Operation control PWB MCU PWB harness failure |
| Check and remedy |
Check the connectors and harness of the operation control PWB and the MCU PWB.
Check grounding of the machine. |
| 88 |
Content |
Operation control PWB communication trouble (Time-out) |
| Detail |
Communication trouble between MCU and the operation PWB (Time-out error) |
| Cause |
Operation control PWB connector disconnection Operation control PWB MCU PWB harness failure |
| Check and remedy |
Check the connectors and harness of the operation control PWB and the MCU PWB.
Check grounding of the machine. |
| F6 |
00 |
Content |
F6: Communication trouble between MCU and FAX (MCU detection) |
| Detail |
Communication establishment error, framing error, parity error, protocol error |
| Cause |
Bad connection of FAX control PWB connector
Defective harness between FAX control PWB and MCU PWB.
Motherboard connector pin breakage FAX control PWB ROM error, data error |
| Check and remedy |
Check connector/harness of FAX control PWB and MCU PWB.
Check grounding of the machine.
Check FAX control PWB ROM. |
| 10 |
Content |
FAX control PWB trouble |
| Detail |
Communication trouble between MCU and FAX control WPB |
| Cause |
Bad connection of FAX control PWB connector
Defective harness between FAX control PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error |
| Check and remedy |
Check connector/harness between FAX control PWB and MCU PWB.
Check grounding of the machine.
Check FAX control PWB ROM. |
| 80 |
Content |
FAX control PWB communication trouble (Protocol) |
| Detail |
Communication trouble between MCU and FAX control PWB (Protocol error) |
| Cause |
Bad connection of FAX control PWB connector
Defective harness between FAX control PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error |
| Check and remedy |
Check connector/harness between FAX control PWB and MCU PWB.
Check grounding of the machine.
Check FAX control PWB ROM. |
| 81 |
Content |
FAX control PWB communication trouble (Parity) |
| Detail |
Communication trouble between MCU and FAX control PWB (Parity error) |
| Cause |
Bad connection of FAX control PWB connector
Defective harness between FAX control PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error |
| Check and remedy |
Check connector/harness between FAX control PWB and MCU PWB.
Check grounding of the machine.
Check FAX control PWB ROM. |
| 82 |
Content |
FAX control PWB communication trouble (Overrun) |
| Detail |
Communication trouble between MCU and FAX control PWB (Overrun error) |
| Cause |
Bad connection of FAX control PWB connector
Defective harness between FAX control PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error |
| Check and remedy |
Check connector/harness between FAX control PWB and MCU PWB.
Check grounding of the machine.
Check FAX control PWB ROM. |
| 84 |
Content |
FAX control PWB communication trouble (Framing) |
| Detail |
Communication trouble between MCU and FAX control PWB (Framing error) |
| Cause |
Bad connection of FAX control PWB connector
Defective harness between FAX control PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error |
| Check and remedy |
Check connector/harness between FAX control PWB and MCU PWB.
Check grounding of the machine.
Check FAX control PWB ROM. |
| 88 |
Content |
FAX control PWB communication trouble (Timeout) |
| Detail |
Communication trouble between MCU and FAX control PWB (Timeout error) |
| Cause |
Bad connection of FAX control PWB connector
Defective harness between FAX control PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error |
| Check and remedy |
Check connector/harness between
FAX control PWB and MCU PWB.
Check grounding of the machine.
Check FAX control PWB ROM. |
| F9 |
00 |
Content |
F9: Communication trouble between MCU and printer PWB (MCU detection) |
| |
Detail |
Communication establishment error, framing error, parity error, protocol error |
| Cause |
Bad connection of printer PWB connector
Defective harness between printer PWB and MCU PWB.
Motherboard connector pin breakage
Printer PWB ROM error, data error |
| 00 |
Check and remedy |
Check connector/harness of printer PWB and MCU PWB.
Check grounding of the machine.
Check printer PWB ROM. |
| 10 |
Content |
Printer PWB trouble |
| Detail |
Communication trouble between MCU and printer PWB |
| Cause |
Bad connection of printer PWB connector
Defective harness between printer PWB and MCU PWB.
Motherboard connector pin breakage
Printer PWB ROM error, data error |
| Check and remedy |
Check connector/harness of printer PWB and MCU PWB.
Check grounding of the machine.
Check printer PWB ROM. |
| F9 |
80 |
Content |
Printer PWB communication trouble (Protocol) |
| Detail |
Communication trouble between MCU and printer PWB (Protocol error) |
| Cause |
Bad connection of printer PWB connector
Defective harness between printer PWB and MCU PWB.
Motherboard connector pin breakage
Printer PWB ROM error, data error |
| Check and remedy |
Check connector/harness of printer PWB and MCU PWB.
Check grounding of the machine.
Check printer PWB ROM. |
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