Self-Diagnosis; Self-Diagnostic Function; Self Diagnostic Codes - Olivetti DP-700 Service Manual

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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 safety switches off and back on.

(2) Self diagnostic codes

Code
C3210 CIS lamp problem
After the reading starting, when input
value at the time of CIS illumination does
not exceed the threshold value between
5 s.
C3310 CIS AGC problem
After AGC, correct input is not obtained
at CIS.
C9000 DP communication problem
A communication error is detected.
C9040 DP lift motor going up error
The pulse count raised to 10000 at lift-
ing, however, the DP lift switch could not
be turned on. After one time retry, the DP
lift limit switch could not be turned on.
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Contents
Causes
Poor contact in the Check the connection of connector on the
connector termi- main PWB and the connector on the DP
nals. main PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective DP main Replace the DP main PWB and check for
PWB. correct operation.
Defective DP Replace the DP inverter PWB and check for
inverter PWB. correct operation.
Defective CIS. Replace the CIS and check for correct oper-
ation.
Defective DP main Replace the DP main PWB and check for
PWB. correct operation.
CIS output prob- Replace the CIS and check for correct oper-
lem. ation.
Defective DP Replace the DP inverter PWB and check for
inverter PWB. correct operation.
Poor contact in the Check the connection of connector YC7 on
connector termi- the scanner PWB and the connector of the
nals. DP, and the continuity across the connector
terminals. Repair or replace if necessary.
Defective DP main Replace the DP main PWB and check for
PWB. correct operation.
Loose connection Reinsert the connector. Also check for conti-
of the DP lift motor nuity within the connector cable. If none,
connector. remedy or replace the cable.
Malfunction of the Replace the DP lift motor and check for cor-
DP lift motor. rect operation.
Malfunction of the Replace the DP lift upper limit switch and
DP lift upper limit check for correct operation.
switch.
Loose connection Reinsert the connector. Also check for conti-
of the DP lift upper nuity within the connector cable. If none,
limit switch con- remedy or replace the cable.
nector.
Defective DP main Replace the DP main PWB and check for
PWB. correct operation.
Service Manual
Remarks
Check procedures/corrective measures
Y106871-5