Olivetti d-Copia 600 Service Manual page 185

Code
C0630 DMA problem
• DMA transmission of compressed,
decompressed, rotated, relocated or
blanked-out image data does not com-
plete within the specified period of
time.
C0640 Hard disk problem
• The hard disk cannot be accessed.
C0700 Side feeder EEPROM error (optional
side feeder)
• An error occurs in EEPROM (U4) data
read or write for the side feeder main
PWB.
C0750 Document finisher* EEPROM error
• A backup memory error is received in
serial communication data from the fin-
isher.
C0960 Developing unit EEPROM error
C0970 Cleaning unit EEPROM error
Y104350-7
Contents
Causes Check procedures/corrective measures
Defective main Replace the main PWB and check for cor-
PWB. rect operation.
Poor contact in the Check the connection of connector YC11 on
connector termi- the engine PWB and the hard disk. Repair or
nals. replace if necessary.
Defective hard Run U906 (Resetting partial operation con-
disk. trol) to cancel partial operation control.
Run U024 (HDD formatting) without turning
the power off to initialize the hard disk.
Replace the hard disk drive and check for
correct operation if the problem is still
detected after initialization.
Defective main Replace the main PWB and check for cor-
PWB. rect operation.
Poor contact in the Check the connection of connector YC15 on
connector termi- the engine PWB and the connector YC3 on
nals. the side feeder main PWB. Repair or
replace if necessary.
Defective side Replace the side feeder main PWB.
feeder main PWB.
Defective engine Replace the engine PWB.
PWB.
Poor contact in the Check the connection of connector YC14 on
connector termi- the engine PWB and the connector on the
nals. finisher main PWB. Repair or replace if nec-
essary.
Defective engine Replace the engine PWB.
PWB.
Defective optional Replace the document finisher with another
document finisher. unit and check the operation. If the operation
is normal, replace or repair the document
finisher (see the service manual for the doc-
ument finisher).
Poor contact in the Check the connection of the engine PWB
connector termi- and the developing unit. Repair or replace if
nals. necessary.
Defective engine Replace the engine PWB.
PWB.
Defective develop- Replace the developing unit (see page 1-6-
ing unit. 60).
Poor contact in the Check the connection of the engine PWB
connector termi- and the cleaning unit. Repair or replace if
nals. necessary.
Defective engine Replace the engine PWB.
PWB.
Defective cleaning Replace the cleaning unit (see page 1-6-66).
unit.
Sevice Manual
Remarks
1-5-29