Olivetti d-Copia 2500MF, Руководство по обслуживанию

Страница: 148 / 296

2H0/2HZ
1-4-18
1-4-2 Self-diagnosis
(1) Self-diagnostic function
This unit is equipped with a self-diagnostic function. When a problem is detected, copying is disabled and the problem dis-
played as a code consisting of C followed by a number, 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 turning the main power switch off and back 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 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
In addition, it is a system error if the following error code is displayed. When an error has occurred, clear the error by
turning the main power switch off then on.
CF1XX, CF2XX, CF3XX, CF4XX, CF5XX, CF6XX, CF7XX, CFAXX, CFBXX, 0xFBXX
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.
Measures against the service codes detecting fuser problems
If one of the following service codes is detected, take actions to clear the cause of the trouble and perform maintenance
item U163 to reset the service code.
System error Contents Operation
0420 Optional paper feeder communication problem System error
→
service call
→
partial operation
0440 Optional document finisher/built-in finisher
communication problem
System error
→
service call
→
partial operation
4200 BD steady-state problem
System error
→
Normal service call processing
9000 Optional DP communication problem
System error
→
service call
→
partial operation
Code Contents
C0180 Machine number mismatch error
Code Contents
C6000 Fuser heater break
C6020 Abnormally high fuser thermistor temperature
C6050 Abnormally low fuser thermistor temperature
C6120 Abnormally high fuser thermistor temperature
C6150 Abnormally low fuser thermistor temperature
C6400 Zero-cross signal error
C6420 Fuser unit fuse cut problem
Service Manual Y108620-5