Oki LP-1040 Maintenance Manual page 209

(13) Jam code 3603/3604 problem analysis
The paper head edge reaches PS06 (suction jam sensor) too quickly.
 Check for improper paper installation or a problem with the flange configuration.
 Check the cut at the front edge of the paper for:
- Folded end;
- Curved cut line; and
- Jagged edges
If there is a problem with the cut, perform (3) 3042 - 3047 problem analysis and check the
cutter's home position as well as its operation.
Select Sensor in Engine Maintenance mode.
Monitor PS06.
Does the display change between On and Off?
Yes No
◆ Check for shorts on CBL-FUSER21, CBL-FUSER22, and CBL-PS06.
◆ Check the installation of PS06 and the lever configuration.
If there are no problems, replace the PS06.
There is a hardware problem. Check the paper path.
 Check for problems with the paper feed or the shape of the lead edge of the paper.
 Check for belt stretching.
 Check for air leaks or other problems that could cause the paper paper bubble.
 Ensure that:
- The paper is not caught on the separating claw (OPC); and
- The paper is not bubbled due to that.
 Check for problems with the paper separation from the drum.
 Check the operation of BL01.
 Check for any clogging of the ozone filter.
Chapter 5 Engine Problems Troubleshooting
5-35