| Main Code | Sub Code | Definition |
| C1 | 0 | MC trouble |
| E6 | 11 | CIS shading trouble (White correction) |
| E6 | 14 | CIS-ASIC communication trouble |
| E7 | 1 | System data trouble |
| E7 | 2 | Laser trouble |
| E7 | 3 | HDD trouble |
| E7 | 6 | Decode error trouble |
| E7 | 10 | CCD shading trouble (Black correction) |
| E7 | 11 | CCD shading trouble (White correction) |
| E7 | 12 | CCD shading trouble (White correction center adjustment) |
| E7 | 14 | CCD-ASIC communication trouble |
| E7 | 50 | LSU connection trouble |
| E7 | 55 | Incompatibility check (Engine (PCU) detection) |
| E7 | 56 | Incompatibility check (Engine (PCU) detection) |
| E7 | 57 | Incompatibility check (Engine (PCU) detection) |
| E7 | 60 | Controller connection trouble |
| E7 | 65 | Incompatibility check (MFP controller detection) |
| E7 | 66 | Incompatibility check (MFP controller detection) |
| E7 | 67 | Incompatibility check (MFP controller detection) |
| E7 | 80 | Scanner PWB communication trouble |
| E7 | 90 | PCU PWB communication trouble |
| F1 | 0 | Finisher communication trouble |
| F1 | 2 | Finisher transport motor abnormality |
| F1 | 3 | Finisher oscillation motor trouble |
| F1 | 8 | Finisher staple shift motor trouble |
| F1 | 9 | Finisher load capacity sensor trouble |
| F1 | 10 | Finisher/staple motor trouble |
| F1 | 11 | Finisher/pusher motor trouble |
| F1 | 15 | Finisher elevator motor trouble |
| F1 | 19 | Finisher/jogger motor trouble |
| F1 | 31 | Finisher saddle folding motor trouble |
| F1 | 32 | Finisher-saddle communication trouble |
| F1 | 33 | Finisher/punch shift motor trouble |
| F1 | 34 | Finisher/punch motor trouble |
| F1 | 37 | Finisher/backup RAM data trouble |
| F1 | 38 | Finisher/punch backup RAM data trouble |
| F1 | 41 | Finisher/saddle positioning plate motor trouble |
| F1 | 42 | Finisher/saddle guide motor trouble |
| F1 | 43 | Finisher/saddle alignment motor trouble |
| F1 | 44 | Finisher/saddle rear staple motor trouble |
| F1 | 45 | Finisher/saddle front staple motor trouble |
| F1 | 46 | Finisher/saddle push motor trouble |
| F1 | 51 | Finisher/sensor connector connection trouble |
| F1 | 52 | Finisher/micro switch trouble |
| F1 | 60 | Finisher-inserter communication trouble |
| F1 | 61 | Inserter/EEPROM trouble |
| F1 | 62 | Inserter/reverse sensor trouble |
| F2 | 0 | Toner concentration sensor open |
| F2 | 2 | Toner supply abnormality |
| F2 | 4 | Improper cartridge (Destination error, life cycle error) |
| F2 | 5 | CRUM error |
| F2 | 31 | Process control trouble (Photoconductor surface reflection rate abnormality) |
| F2 | 32 | Process control trouble (Drum marking scan failure) |
| F2 | 37 | Drum marking sensor gain adjustment error |
| F2 | 39 | Process thermistor breakdown |
| F2 | 46 | Developing thermistor breakdown |
| F2 | 47 | Room temperature thermistor breakdown |
| F2 | 48 | Developing humidity sensor break down |
| F3 | 12 | Tray 1 lift-up trouble |
| F3 | 22 | Tray 2 lift-up trouble |
| F3 | 32 | Tray 3 lift-up trouble |
| F3 | 42 | Tray 4 lift-up trouble |
| F4 | 38 | 38 (V) voltage trouble |
| H2 | 0 | Thermistor open (HL1) |
| H2 | 1 | Thermistor open (HL2) |
| H2 | 2 | Thermistor open (HL3) |
| H3 | 0 | Heat roller high temperature detection (HL1) |
| H3 | 1 | Heat roller high temperature detection (HL2) |
| H3 | 2 | Heat roller high temperature detection (HL3) |
| H4 | 0 | Heat roller low temperature detection (HL1) |
| H4 | 1 | Heat roller low temperature detection (HL2) |
| H4 | 2 | Heat roller low temperature detection (HL3) |
| H5 | 1 | 5-time continuous POD not-reached JAM detection) |
| L1 | 0 | Scanner feed trouble |
| L3 | 0 | Scanner return trouble |
| L4 | 1 | Main motor lock detection |
| L4 | 2 | Drum motor lock detection |
| L4 | 3 | Fusing motor lock detection |
| L4 | 4 | Developing motor lock detection |
| L4 | 6 | Transfer belt separation motor trouble |
| L4 | 30 | Controller fan motor trouble |
| L4 | 31 | Paper discharging fan trouble - |
| L6 | 10 | Polygon motor lock detection |
| L8 | 1 | No full wave signal |
| U5 | 30 | SPF tray lift-up trouble |
| U5 | 31 | SPF tray lift-down trouble |
| U6 | 9 | LCC lift motor trouble |
| U6 | 20 | LCC communication trouble |
| U6 | 21 | LCC transport motor trouble |
| U6 | 22 | LCC 24V power abnormality addition |
| EE | EL | Auto developer adjustment trouble (Overtoned error). |
| EE | EU | Auto developer adjustment trouble (Undertoned error) |
| F6 | 0 | FAX board communication trouble |
| F6 | 1 | FAX expansion flash ROM abnormality |
| F6 | 4 | FAX modem operation abnormality |
| F6 | 20 | FAX write protect cancel |
| F6 | 21 | Combination error of TELJLIU PWB and software |
| F6 | 97 | FAX-BOX incompatibility trouble |
| F6 | 98 | Combination error of the FAX-BOX destination information and the machine destination information. |
| F7 | 1 | FAX board EEPROM read/write error |
| U1 | 1 | FAX battery abnormality |
| U1 | 2 | RTC read error (combined use as FAX, on MFP control PWB) |
| U2 | 0 | EEPROM read/write error (MFP control) |
| U2 | 11 | Counter check sum error (MFP control EEPROM) |
| U2 | 12 | Adjustment value check sum error (MFP control EEPROM) |
| U2 | 22 | MFPC section SRAM memory check sum error |
| U2 | 23 | MFPC section SRAM memory individual data check sum error |
| U2 | 50 | HDD section individual data check sum error |
| U2 | 80 | Scanner section EEPROM read/write error |
| U2 | 81 | Scanner section memory sum check error |
| U2 | 90 | PCU section EEPROM read/write error |
| U2 | 91 | PCU section memory sum check error |
| U7 | 0 | PC/Modem communication trouble |
| PF | ‑ | RIC copy inhibit command receive |
| CH | ‑ | Door open (CH ON) |
| —‑ | ‑ | Auditor NOT READY |
| PC | ‑ | Personal counter uninstalled |
| CE | 0 | Network cable is not connected or no network signal is received . |
| CE | 1 | The network card is not installed or is malfunctioning. |
| CE | 2 | The specified scan destination, mail server, or FTP server is not found. |
| CE | 3 | The specified server suspends response during transmission of images. |
| CE | 4 | The entered account name of the FTP server or the password for authentication is invalid. |
| CE | 5 | The entered directory of the FTP server is invalid. |
| CE | 6 | The specified mail server (POP3) is not found. |
| CE | | The entered account name of the POPS server orthe password for authentication is invalid. |
| CE | | The specified mail server (POP3) suspends response. |
