Konica Minolta bizhub 20 Service Manual page 114

■ Error code EC
Print Unable EC
See Troubleshooting and routine maintenance chapter in User's
Guide.
Fuser fan failure
Step
1 Main fan failure
2 Main PCB failure
■ Error code EF
Print Unable EF
Turn the power off and then back on again.
LVPS PCB failure
<User Check>
• Turn the power off. Turn it on again after a while.
Step
1 LVPS PCB failure
2 Main PCB failure
■ Error code F8
Print Unable F8
Battery connection error
Step
1 Battery harness connection failure Reconnect the battery harness.
2 Main PCB failure
3 Battery failure
■ Error code F9
Machine Error F9
EEPROM customizing code error
Step
Turn the power off, when the
Maintenance mode 74
1
"PARAMETER INIT" is in
progress.
2 Main PCB failure
Cause
Cause
Cause
Cause
3-39
Remedy
Replace the main fan ASSY.
Replace the main PCB ASSY.
Remedy
Replace the LVPS PCB ASSY.
Replace the main PCB ASSY.
Remedy
Replace the main PCB ASSY.
Replace the battery.
Remedy
Implement the Maintenance mode 74
again.
Replace the main PCB ASSY.
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