Error Codes; Error Indication - Konica Minolta bizhub 20 Service Manual

3. ERROR CODES

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 end user to quickly find out the problem.
3.1

Error Indication

Error
codes
The drum unit reached its life
1E
and requires replacement.
Two or more optional trays are
1F
installed
Internal temperature sensor
24
failure
EEPROM of main PCB failure
35
HVPS PCB during standby
36
failure
Main PCB RAM failure
3B
EEPROM writing error
3C (Not applicable)
EEPROM reading error
3D
(Not applicable)
EEPROM bus error
3E
(Not applicable)
No toner cartridge
44
The drum unit reached its life
50 and requires replacement.
The paper feed kit MP reached
51
its life and requires replacement.
The paper feed kit T1 reached
52
its life and requires replacement.
The paper feed kit T2 reached
53
its life and requires replacement.
The fuser unit reached its life
and requires replacement.
54
The laser unit reached its life
55
and requires replacement.
Back cover is opened
56
Paper jam (Duplex tray)
57
Fuser unit failure
58
Refer
Problem
3-12
3-12
3-12
3-13
3-13
3-13
3-13
3-13
3-13
3-14
3-14
3-14
3-15
3-15
3-15
3-15
3-16
3-16
3-17
Error
to: codes
Fuser unit failure (Detect fuser
59
failure at start-up)
Toner life end
63
Toner low
67
Temperature rise when heater is
68
off
Mis-connect center thermistor
69
connector
Fuser temperature does not
6A reach 60°C within the specified
time (center thermistor)
Fuser temperature does not
6B reach 100°C within the specified
time (center thermistor)
Fuser temperature exceeds its
6C
higher limit (center thermistor)
Fuser temperature exceeds its
6D
lower limit (center thermistor)
Fuser temperature does not rise
6E
(center thermistor)
Hardware detects extremely
6F high temperature of the center
or side thermistors
Fuser motor error
70
Laser unit polygon motor failure
71
Laser beam emission failure
72
Sensor of the inside
temperature for detection
75
detected higher than normal
temperature
Rapid temperature rising failure
76
(center thermistor)
Rapid temperature falling failure
78
(center thermistor)
No detection of main motor
7A
synchronous signal
Dirt on corona wire (detect
7D
discharge error)
3-9
Refer
Problem
3-17
3-17
3-17
3-18
3-18
3-19
3-19
3-19
3-19
3-19
3-19
3-20
3-20
3-20
3-20
3-21
3-21
3-21
3-21
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