3-5
Confidential
2. ERROR INDICATIONS
This machine includes a self-diagnosis function. If the machine does not work normally it
judges that an error has occurred, and indicates the corresponding error message on the LCD,
which in turn helps the service men to quickly find out the problem.
2.1 Error Codes
Error
codes
Problem
Refer
to:
Error
codes
Problem
Refer
to:
13 Developing bias correction failure
(Error, which cannot be recorded,
occurs.)
3-11 32 Density sensor shutter performance
malfunction
3-17
33 Right color registration sensor error 3-18
14 Developing bias correction failure
(Toner life end)
3-11 34 Left color registration sensor error 3-18
36 HVPS PCB error in ready state 3-19
15 Developing bias correction failure
(Incorrect measurement value of
developing bias correction)
3-11 37 Belt thermistor error 3-19
38 External temperature sensor error 3-20
39 External humidity sensor error 3-20
16 Color registration adjustment failure
(Error, which cannot be recorded,
occurs.)
3-12 3A Engine PCB transfer error 3-20
3B Main PCB RAM error 3-20
3E NVRAM transfer error 3-20
17 Color registration adjustment failure
(Toner life end)
3-12 40 HVPS PCB error in operating 3-19
42 HVPS control PCB transfer error 3-21
18 Color registration adjustment failure
(Incorrect measurement value of
color registration adjustment)
3-12 43 Main/Engine ASIC transfer error 3-21
44 No toner cartridge (K) 3-22
45 No toner cartridge (Y) 3-22
1A Dew condensation on high-voltage
power supply PCB
3-13 46 No toner cartridge (M) 3-22
47 No toner cartridge (C) 3-22
1B Drum error (C) 3-13 48 Drum life end (K) 3-22
1C Drum error (M) 3-13 49 Drum life end (Y) 3-22
1D Drum error (Y) 3-13 4A Drum life end (M) 3-22
20 LED ASSY error (K) 3-14 4B Drum life end (C) 3-22
21 LED ASSY error (Y) 3-14 4C Drum life end soon (K) 3-23
22 LED ASSY error (M) 3-14 4D Drum life end soon (Y) 3-23
23 LED ASSY error (C) 3-14 4E Drum life end soon (M) 3-23
24 Internal temperature sensor error 3-14 4F Drum life end soon (C) 3-23
25 Develop drive motor error 3-15 52 Paper feeding kit life end 3-23
26 Belt drive motor error 3-15 54 Fuser unit life end 3-23
28 Drum drive motor error 3-15 56 Fuser cover opened 3-24
29 Belt cleaner drive motor error 3-15 58
Fuser unit error
(Some kind of
temperature error of the fuser unit occurs.)
3-24
2A Develop release motor error 3-16
2C Toner/New sensor PCB error (K) 3-16 59 Fuser unit error (
Re-detection of
fuser unit failure upon startup after
the error code 58 occurs.
)
3-24
2D Toner/New sensor PCB error (Y) 3-16
2E Toner/New sensor PCB error (M) 3-16
2F Toner/New sensor PCB error (C) 3-16 5B Short paper 3-26
31 Density sensor error 3-17 5C Small paper 3-26
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