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