3MX
1-4-4
1-4-2 Self-diagnosis
(1) Self-diagnostic function (operation panel is a 7-segment type)
When an unexpected error is detected for some reason, a system error (A call error) will be indicated. After a system error
(A call error) is indicated, the error can be cleared by turning the main power switch off and then on. If a system error (A
call error) occurs frequently, a fault may have occurred. Check the details of the C call to take proper measures.
(2) Self diagnostic codes (operation panel is a 7-segment type)
(3) Self-diagnostic function (operation panel is an LCD type)
When an unexpected error is detected for some reason, a system error will be indicated. After a system error is indicated,
the error can be cleared by turning the main power switch off and then on. If the error is detected continuously, however,
perform the operation shown in Table 1-4-1. If a system error occurs frequently, a fault may have occurred. Check the
details of the C call to take proper measures.
Table 1-4-1
(4) Self diagnostic codes (operation panel is an LCD type)
Code
Contents
Remarks
Causes
Check procedures/corrective measures
A0410
Document processor communication
problem
Communication fails five times succes-
sively.
Document proces-
sor installed incor-
rectly.
Check the installation state of the document
processor and adjust it if it is not properly
installed.
Defective PWB.
Replace the main/engine PWB or DP driver
PWB and check for correct operation.
System error
Contents
Operation
0410
Document processor communication problem
System error
→
service call
Code
Contents
Remarks
Causes
Check procedures/corrective measures
C0410
Document processor communication
problem
Communication fails five times succes-
sively.
Document proces-
sor installed incor-
rectly.
Check the installation state of the document
processor and adjust it if it is not properly
installed.
Defective PWB.
Replace the engine PWB or DP driver PWB
and check for correct operation.
Summary of Contents for DF-420
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