Service manual

2DA/2DB
1-5-17
1-5-2 Self-diagnosis
(1) Self-diagnostic function
This unit is equipped with a self-diagnostic function. When a problem is detected, copying is disabled. "C" and a number
between 0030 and 8210 altenates, indicating the nature of the problem.
A message is also displayed requesting the user to call for service.
After removing the problem, the self-diagnostic function can be reset by power switch turns off and on.
• List of system errors
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 switch off and then on. If the error is detected continuously, however, perform
the operation shown in Table 1-5-1. If a system error occurs frequently, a fault may have occurred. Check the details of the
C call to take proper measures.
System error Contens Operation
0210
0250
0410
0420
0440
0500
0510
0630
3100
Communication problem between the main
PCB and engine PCB
Scanner network board*
1
communication
problem
DP*
1
communication problem
First paper feeder*
2
communication problem
Finisher*
1
communication problem
Second paper feeder*
1
communication
problem
Third paper feeder*
1
communication problem
DMA problem
Scanner carriage problem
System error Normal C call processing
System error Normal C call processing
System error Normal C call processing
System error Normal C call processing
System error
System error Normal C call processing
System error Normal C call processing
System error Normal C call processing
System error Normal C call processing
Table 1-5-1 List of system errors
• Partial operation control
If any of the following calls for service is detected, partial operation control will be activated. After taking measures against
the cause of trouble, run maintenance item U906 to reset partial operation control.
Display Contens
C8170
C8180
C8190
C8210
Finisher*
1
front side registration motor problem
Finisher*
1
rear side registration motor problem
Finisher*
1
trailing edge registration motor problem
Finisher*
1
front stapler problem
*1: Optional.
*1: Optional. *2: Optional for 16 ppm model. Standard for 20 ppm model.