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Konica Minolta Bizhub 20p Service Manual: Error Cause And Remedy

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2.2

Error Cause and Remedy

Memo :
• The following troubleshooting sections contain both the actions which end users
should take or check and the ones which service technicians should perform.
■ BUFFER ERROR
Mistake the Interface settings.
Step
1
Main PCB ASSY failure
■ CARTRIDGE ERROR
A new one cannot be detected for the operation failure of new toner actuator.
<User Check>
- Install the toner cartridges into the machine properly.
Step
Power off or front cover opened
while detecting a new toner
1
cartridge.
New toner actuator catching on
2
some position
3
New toner actuator failure
4
Relay front PCB ASSY failure
■ DIMM ERROR
The failed DIMM is installed, or the DIMM is not installed correctly.
<User Check>
- Install the DIMM correctly.
Step
1
Main PCB ASSY failure
■ DOWNLOAD FULL
Memory full.
Step
1
Main PCB ASSY failure
Cause
Cause
Cause
Cause
3-14
Remedy
Replace the main PCB ASSY.
Remedy
Reset the developing bias voltage and
develop roller counter. (Refer to
"Developer Roller Counter Reset" in 1.3
Service Mode in Chapter
Re-assemble the new toner actuator.
Replace the new toner actuator.
Replace the relay front PCB ASSY.
Remedy
Replace the main PCB ASSY.
Remedy
Replace the main PCB ASSY.
6.)
Confidential

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Troubleshooting

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