Self-Diagnosis; Self-Diagnostic Function - Olivetti d-Copia 2500MF Service Manual

2H0/2HZ
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.
System error
0420 Optional paper feeder communication problem System error
0440 Optional document finisher/built-in finisher
communication problem
4200 BD steady-state problem
9000 Optional DP communication problem
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.
Code
C0180 Machine number mismatch error
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.
Code
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
1-4-18
Contents
Table 1-4-1
Service Manual
Operation
→
service call
→
System error service call
→
System error Normal service call processing
→
System error service call
Contents
Contents
→
partial operation
→
partial operation
→
partial operation
Y108620-5