Kyocera KM-6030 Service Manual page 190

Code
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
Contents
Causes Check procedures/corrective measures
Poor contact in the Check the connection of connector YC11 on
connector termi- the engine PWB and the hard disk, and the
nals. continuity across the connector terminals.
Repair or 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.
Defective cable. Replace cable of the hard disk.
Defective side Replace the side feeder main PWB.
feeder main 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 connector YC5 on
connector termi- the engine PWB and the developing unit,
nals. and the continuity across the connector ter-
minals. Repair or replace if 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 connector YC5 on
connector termi- the engine PWB and the cleaning unit, and
nals. the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective engine Replace the engine PWB.
PWB.
Defective cleaning Replace the cleaning unit (see page 1-6-66).
unit.
Remarks
2FB/2FC-4
1-5-29