Konica Minolta 7020 Service Manual page 335

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Classification
Flash ROM
Printer
board
Image
processing
CB (overall
control board)
communication
abnormalities
Warning
Causes
code
F81-1 Error in image-control flash ROM
Detected checksum error in CB's
image-control ROM.
F81-2 Software error
Overall control and image control
have non-matching software device
types.
F81-3 OEM compatibility error
E87-1 Printer controller not identified.
Printer controller did not respond.
(But copier and fax can be used.)
F87-2 Printer-controller error
Error F87-1 occurred 3 times in
succession.
F87-3 Printer board HDD error
HDD cannot be accessed.
E88-1 Image error
Error detected in image processing
at overall control side.
E89-1 Copy sequence error
Error in job object pointer. (Could
not get page-control object for some
reason.)
E89-2 Copy sequence error
Error in memory copy sequence.
(Cause unknown)
E89-3 Copy sequence error
Error in through copy sequence
(FCOT). (Cause unknown)
E89-4 Copy sequence error
Memory scanner did not complete
stop. (Notification of stop completion
not received from engine.)
E89-5 Copy sequence error
Memory printer did not complete stop.
(Notification of stop completion not
received from engine.)
LIST OF WARNING (ERROR) CODES
Resulting
Correction
operation
Engine power Switch SW2 (sub
supply OFF power switch)
OFF/ON, then
overwrite the
image-processing
flash ROM.
Switch SW2 (sub
power switch)
OFF/ON, then
overwrite the flash
ROM.
Only the printer Switch SW1 (main
cannot be used. power switch)
3
OFF/ON.
Engine power Switch SW2 (sub
supply OFF power switch)
OFF/ON. (CB
reset)
3
Main relay and
24 V power
supply go OFF at
the end of
copying.
Engine power
supply OFF
8-41
Estimated abnormal parts
CB (overall control board)
Optional printer controller
CB (overall control board)