SERVICE MANUAL - O. Rensch OHG

2DC
Code
Contents
Causes
Remarks
Check procedures/corrective measures
C0610
(A0610*)
Bitmap (DIMM) problem
• There is a problem with the data or
address bus of the bitmap DRAM.
Defective main
board (KP-5060).
DIMM installed
incorrectly.
Replace the main board (KP-5060) and
check for correct operation.
Check if the DIMM is inserted into the
socket on the main board (KP-5060) correctly.
Defective DIMM.
Replace the DIMM and check for correct
operation.
C0620
(A0620*)
Memory input interface problem
• Reading-in of an image does not
complete within 10 s of the start of
image transmission.
Defective main
board (KP-5060).
Replace the main board (KP-5060) and
check for correct operation.
C0630
(A0630*)
DMA problem
• DMA transmission of compressed,
decompressed, rotated, relocated or
blanked-out image data does not
complete within the specified period
of time.
Defective main
board (KP-5060).
Replace the main board (KP-5060) and
check for correct operation.
C0800
(A0800*)
Image processing problem
• JAM05 is detected twice.
Defective engine
board (KP-5061).
Replace the engine board (KP-5061) and
check for correct operation.
C2000
(A2000*)
Main motor problem
• LOCK ALM signal remains high for 1
s, 1 s after the main motor has turned
on.
Poor contact in
the main motor
connector terminals.
Reinsert the connector. Also check for continuity
within the connector cable. If none,
remedy or replace the cable.
Defective main
motor rotation
control circuit.
Replace the main motor.
Defective drive
transmission system.
Check if the rollers and gears rotate
smoothly. If not, grease the bushings and
gears. Check for broken gears and replace
if any.
C3100
(A3100*)
Scanner carriage problem
• The home position is not correct
when the power is turned on or copying
the document placed on the contact
glass.
Poor contact of
the connector terminals.
Defective scanner
home position
sensor.
Check the connection of connectors YC10,
11 on the engine board (KP-5061) and the
continuity across the connector terminals.
Repair or replace if necessary.
Replace the scanner home position sensor.
Defective engine
board (KP-5061)
or scanner board
(KP-5063).
Replace the engine board (KP-5061) or
scanner board (KP-5063) and check for
correct operation.
Defective scanner
motor.
Replace the scanner motor.
“A” is displayed on the market.
1-5-9