A0 | C1 | C4 | E7 | EE | F1 | F2 | F3 | H2 | H3 | H4 | H5 | H7 | H8 | L1 | L3 | L4 | L6 | L8 | PC | U1 | U2 | U6 | U7 | UC
| A0 |
|---|
| A0 01 PCU PWB ROM ERROR |
| A0 02 SCU PWB ROM ERROR |
| A0 10 MFP PWB ROM ERROR |
| A0 11 FIRMWARE VERSION INCONSISTENCY (MFP-PCU) |
| A0 12 FIRMWARE VERSION INCONSISTENCY (MFP-SCU) |
| A0 20 MFP FIRMWARE VERSION AND EEPROM DATA VERSION INCONSISTANCY |
| A0 21 PCU FIRMWARE VERSION AND EEPROM DATA VERSION INCONSISTANCY |
| A0 22 SCU FIRMWARE VERSION AND EEPROM DATA VERSION INCONSISTANCY |
| C1 |
| C1 10 MAIN CHARGER TROUBLE (BK) |
| C1 14 MAIN CHARGER TROUBLE (COLOR) |
| C4 |
| C4 00 PTC TROUBLE |
| E7 |
| E7 01 MFP IMAGE DATA ERROR |
| E7 03 HDD TROUBLE |
| E7 04 HDD-ASIC ERROR |
| E7 05 STANDARD MEMORY/EXPANSION MEMORY R/W ERROR (MFP PWB) |
| E7 06 IMAGE DATA DECODE ERROR |
| E7 08 MFP MEMORY COMPATIBILITY ERROR (MFP PWB) |
| E7 09 STANDARD EXTENSION MEMORY SIZE / EXPANSION MEMORY SIZE ERROR (MFP PWB) |
| E7 10 SHADING ERROR (BLACK CORRECTION) |
| E7 11 SHADING ERROR (WHITE CORRECTION) |
| E7 14 CCD -ASIC ERROR |
| E7 20 LSU LASER DETECTION TROUBLE (K) |
| E7 21 LSU LASER DETECTION TROUBLE (C) |
| E7 22 LSU LASER DETECTION TROUBLE (M) |
| E7 23 LSU LASER DETECTION TROUBLE (Y) |
| E7 28 LSU-PCU CONNECTION ERROR |
| E7 29 LSU ASIC FREQUENCY ERROR |
| E7 50 ENGINE CONNECTION TROUBLE |
| E7 55 PWB INFORMATION SUM ERROR (ENGINE DETECTION) |
| E7 60 COMBINATION ERROR BETWEEN THE MFP PWB AND OTHER PWB. FIRMWARE |
| E7 61 COMBINATION ERROR BETWEEN THE MFP PWB AND THE PCU PWB |
| E7 65 MFP EEPROM SUM CHECK ERROR |
| E7 80 MFP-SCU PWB COMMUNICATION ERROR |
| E7 90 MFP-PCU PWB COMMUNICATION ERROR |
| EE |
| EE EC AUTOMATIC TONER DENSITY ADJUSTMENT ERROR (76-117/139-178) |
| EE EL AUTOMATIC TONER DENSITY ADJUSTMENT ERROR (OVER TONER) |
| EE EU AUTOMATIC TONER DENSITY ADJUSTMENT ERROR (UNDER TONER) |
| F1 |
| F1 00 FINISHER – PCU PWB COMMUNICATION ERROR |
| F1 03 FINISHER PAPER EXIT ROLLER LIFTING OPERATION TROUBLE |
| F1 10 STAPLE OPERATION TROUBLE |
| F1 15 FINISHER PAPER EXIT TRAY LIFT OPERATION TROUBLE |
| F1 19 FINISHER ALIGNMENT OPERATION TROUBLE F |
| F1 20 FINISHER ALIGNMENT OPERATION TROUBLE R |
| F1 21 FINISHER FAN TROUBLE |
| F1 29 FINISHER PWB FAN TROUBLE |
| F1 37 FINISHER DATA BACKUP RAM ERROR |
| F1 50 MAIN UNIT – FINISHER COMBINATION ERROR |
| F2 |
| F2 11 DEVELOPING UNIT INITIAL DETECTION (K) |
| F2 12 DEVELOPING UNIT INITIAL DETECTION (C) |
| F2 13 DEVELOPING UNIT INITIAL DETECTION (M) |
| F2 14 DEVELOPING UNIT INITIAL DETECTION (Y) |
| F2 15 DRUM UNIT INITIAL DETECTION TROUBLE (K DRUM) |
| F2 16 DRUM UNIT INITIAL DETECTION TROUBLE (C DRUM) |
| F2 17 DRUM UNIT INITIAL DETECTION TROUBLE (M DRUM) |
| F2 18 DRUM UNIT INITIAL DETECTION TROUBLE (Y DRUM) |
| F2 19 PRIMARY TRANSFER UNIT INITIAL DETECTION TROUBLE |
| F2 21 SECONDARY TRANSFER UNIT INITIAL DETECTION TROUBLE |
| F2 22 DISCHARGE LAMP TROUBLE (K) |
| F2 23 DISCHARGE LAMP TROUBLE (C) |
| F2 24 DISCHARGE LAMP TROUBLE (M) |
| F2 25 DISCHARGE LAMP TROUBLE (Y) |
| F2 26 AUTO TONER DENSITY CONTROL LEVEL SETTING TROUBLE (K) |
| F2 27 AUTO TONER DENSITY CONTROL LEVEL SETTING TROUBLE (C) |
| F2 28 AUTO TONER DENSITY CONTROL LEVEL SETTING TROUBLE (M) |
| F2 29 AUTO TONER DENSITY CONTROL LEVEL SETTING TROUBLE (Y) |
| F2 39 PROCESS THERMISTOR TROUBLE |
| F2 40 TONER DENSITY SENSOR TROUBLE (BLACK) |
| F2 41 TONER DENSITY SENSOR TROUBLE (CYAN) |
| F2 42 TONER DENSITY SENSOR TROUBLE (MAGENTA) |
| F2 43 TONER DENSITY SENSOR TROUBLE (YELLOW) |
| F2 45 K IMAGE DENSITY SENSOR TROUBLE |
| F2 49 LSU THERMISTOR TROUBLE |
| F2 50 K DRUM PHASE SENSOR TROUBLE |
| F2 51 COLOR DRUM PHASE SENSOR TROUBLE |
| F2 58 PROCESS HUMIDITY SENSOR TROUBLE |
| F2 64 TONER SUPPLY OPERATION TROUBLE (BLACK) |
| F2 65 TONER SUPPLY OPERATION TROUBLE (CYAN) |
| F2 66 TONER SUPPLY OPERATION TROUBLE (MAGENTA) |
| F2 67 TONER SUPPLY OPERATION TROUBLE (YELLOW) |
| F2 70 IMPROPER TONER CARTRIDGE DETECTION (BLACK) |
| F2 71 IMPROPER TONER CARTRIDGE DETECTION (CYAN) |
| F2 72 IMPROPER TONER CARTRIDGE DETECTION (MAGENTA) |
| F2 73 IMPROPER TONER CARTRIDGE DETECTION (YELLOW) |
| F2 74 TONER CARTRIDGE CRUM ERROR (BLACK) |
| F2 75 TONER CARTRIDGE CRUM ERROR (CYAN) |
| F2 78 TONER CARTRIDGE CRUM ERROR (MAGENTA) |
| F2 77 TONER CARTRIDGE CRUM ERROR (YELLOW) |
| F2 78 REGISTRATION IMAGE DENSITY SENSOR TROUBLE (TRANSFER BELT SUBSTRATE REFLECTION RATE ABNORMALITY) |
| F3 |
| F3 12 PAPER FEED TRAY 1 LIFT OPERATION TROUBLE |
| H2 |
| H2 00 THERMISTOR OPEN TROUBLE (TH_UM_AD2) |
| H2 01 THERMISTOR OPEN TROUBLE (TH_LM) |
| H2 02 SUB THERMISTOR OPEN TROUBLE (TH_US) |
| H2 03 COMPENSATION THERMISTOR OPEN TROUBLE (TH_UM_AD1) |
| H2 04 THERMISTOR OPEN (TH_EX1) |
| H2 05 THERMISTOR OPEN (TH_EX2) |
| H3 |
| H3 00 COMPENSATION THERMISTOR OPEN TROUBLE (TH_UM_AD1) |
| H3 01 FUSING SECTION HIGH TEMPERATURE TROUBLE (TH_LM) |
| H3 02 FUSING SECTION HIGH TEMPERATURE TROUBLE (TH_US) |
| H3 04 FUSING SECTION HIGH TEMPERATURE TROUBLE (TH_EX1) |
| H3 05 FUSING SECTION HIGH TEMPERATURE TROUBLE (TH_EX2) |
| H4 |
| H4 00 FUSING SECTION LOW TEMPERATURE TROUBLE (TH_UM_AD2) |
| H4 01 FUSING SECTION LOW TEMPERATURE TROUBLE (TH_LM) |
| H4 02 FUSING SECTION LOW TEMPERATURE TROUBLE (TH_US) |
| H4 04 FUSING SECTION LOW TEMPERATURE TROUBLE (TH_EX) |
| H4 30 THERMISTOR INPUT CIRCUIT TROUBLE (TH_UM) |
| H5 |
| H5 01 5 TIMES CONTINUOUS POD 1 NOT-REACH JAM |
| H7 |
| H7 10 FUSING LOW TEMPERATURE RECOVERY TROUBLE (TH_UM_AD2) |
| H7 11 FUSING LOW TEMPERATURE RECOVERY TROUBLE (TH_LM) |
| H7 12 FUSING LOW TEMPERATURE RECOVERY TROUBLE (TH_US) |
| H7 14 LOW TEMPERATURE TROUBLE (TH_EX) IN RESET OPERATION AFTER JOB STOP DUE TO A FALL IN THE FUSING TEMPERATURE DURING A JOB |
| H8 |
| H8 00 FUSING UNIT INITIAL DETECTION TROUBLE |
| L1 |
| L1 00 SCANNER FEED TROUBLE |
| L3 |
| L3 00 SCANNER RETURN TROUBLE |
| L4 |
| L4 03 FUSING MOTOR LOCK TROUBLE |
| L4 04 DEVELOPING MOTOR TROUBLE (BLACK) |
| L4 05 DEVELOPING MOTOR TROUBLE (COLOR) |
| L4 06 TRANSFER UNIT LIFT TROUBLE |
| L4 12 SECONDARY TRANSFER SEPARATION TROUBLE |
| L4 16 FUSING PRESSURE RELEASE TROUBLE |
| L4 29 HDD FAN TROUBLE |
| L4 31 PAPER EXIT COOLING FAN TROUBLE |
| L4 32 POWER SOURCE COOLING FAN TROUBLE |
| L4 34 LSU FAN TROUBLE |
| L4 35 FUSING COOLING FAN TROUBLE |
| L4 50 PROCESS FAN TROUBLE |
| L4 51 PROCESS FAN 2 TROUBLE |
| L6 |
| L6 10 POLYGON MOTOR TROUBLE |
| L8 |
| L8 01 FULL WAVE SIGNAL DETECTION ERROR |
| L8 02 FULL WAVE SIGNAL ERROR |
| L8 20 MFP PWB – MOTHER BOARD COMMUNICATION ERROR |
| PC |
| PC PERSONAL COUNTER NOT DETECTED |
| U1 |
| U1 01 BATTERY TROUBLE |
| U2 |
| U2 00 MFP EEPROM READ/WRITE ERROR |
| U2 05 HDD/MFP PWB SRAM CONTENTS INCONSISTENCY |
| U2 10 MFP PWB SRAM USER AUTHENTICATION INDEX CHECK SUM ERROR |
| U2 11 MFP PWB EEPROM COUNTER CHECK SUM ERROR |
| U2 22 MFP PWB SRAM MEMORY CHECK SUM ERROR |
| U2 23 MFP PWB SRAM MEMORY INDIVIDUAL DATA CHECK SUM ERROR |
| U2 24 MFP PWB SRAM MEMORY USER AUTHENTICATION COUNTER CHECK SUM ERROR |
| U2 30 MFP PWB AND PCU PWB MANUFACTURING NO. DATA INCONSISTENCY |
| U2 50 HDD USER AUTHENTICATION DATA CHECK SUM ERROR |
| U2 80 SCU PWB EEPROM READ/WRITE ERROR |
| U2 81 SCU PWB EEPROM CHECK SUM ERROR |
| U2 90 PCU PWB EEPROM READ/WRITE ERROR |
| U2 91 PCU PWB EEPROM CHECK SUM ERROR |
| U6 |
| U6 00 PCU PWB /DESK PAPER FEED UNIT COMMUNICATION ERROR |
| U6 01 DESK PAPER FEED TRAY 1 LIFT TROUBLE |
| U6 02 DESK PAPER FEED TRAY 2 LIFT TROUBLE |
| U6 03 DESK PAPER FEED TRAY 3 LIFT TROUBLE |
| U6 10 DESK PAPER FEED UNIT PAPER TRANSPORT MOTOR TROUBLE |
| U6 50 DESK – MAIN UNIT COMBINATION TROUBLE |
| U7 |
| U7 50 MFP PWB – VENDOR MACHINE COMMUNICATION ERROR |
| U7 51 VENDOR MACHINE ERROR |
| UC |
| UC 02 IPD ASIC (CPT) ERROR |
| UC 20 IPD ASIC DOCC ERROR |