Olivetti d-Copia 5200MF Service Manual page 193

2KR/2KS
Code
C7900 Drum EEPROM error
Reading from or writing to EEPROM
cannot be performed.
C7910 Developing unit EEPROM error
Reading from or writing to EEPROM
cannot be performed.
C8020 Punch motor problem (optional 3000-
sheet document finisher)
The error signal of the punch motor is
detected for more than 500 ms while the
punch motor is operating.
C8030 Tray upper limit detection problem
(optional document finisher)
When the tray elevation motor raises a
tray, the ON status of the tray upper limit
sensor is detected.
C8040 Belt problem (optional document fin-
isher)
The belt sensor does not turn on/off
within specified time of the belt solenoid
turning on.
1-4-36
Contents
Causes Check procedures/corrective measures
Poor contact in the Check the connection of connector on the
connector termi- engine PWB and the continuity across the
nals. connector terminals. Repair or replace if
necessary.
Defective drum Replace the drum unit.
unit.
Poor contact in the Check the connection of connector on the
connector termi- engine PWB and the continuity across the
nals. connector terminals. Repair or replace if
necessary.
Defective develop- Replace the developing unit.
ing unit.
Poor contact in the Check the connection of connector on the
connector termi- punch PWB and the continuity across the
nals. connector terminals. Repair or replace if
necessary.
Defective punch Replace the punch motor.
motor.
Defective PWB. Replace the punch PWB or finisher main
PWB and check for correct operation.
The tray upper limit Reinsert the connector. Also check for conti-
sensor, paper sur- nuity within the connector cable. If none,
face sensor 1/2 remedy or replace the cable.
connector makes
poor contact.
Defective tray Replace the sensor.
upper limit sensor,
paper surface sen-
sor 1/2.
Defective finisher Replace the finisher main PWB and check
main PWB. for correct operation.
The belt sensor, Reinsert the connector. Also check for conti-
belt solenoid con- nuity within the connector cable. If none,
nector makes poor remedy or replace the cable.
contact.
Defective belt sen- Replace the belt sensor.
sor.
Defective belt sole- Replace the belt solenoid.
noid.
Defective finisher Replace the finisher main PWB and check
main PWB. for correct operation.
Service Manual
Remarks
Y111960-2