Oki LP-1040 Maintenance Manual page 211

(15) Jam code 3693/3694 problem analysis
The tail edge of the paper passes through PS06 (suction jam sensor) too slowly.
 Check for any remnants of paper particles in PS06.
 Check the cut at the tail 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.
 Check the paper path to PS07.
 Check for air leaks or other problems that could cause the improper paper feed.
 Check the fuser drive mechanism for loose gears.
 Check the operation of BL01.
 Check for any clogging of the ozone filter.
 Check for air leaks.
(16) Jam code 3701/3702 problem analysis
The paper head edge reaches PS07 (fuser jam sensor) too quickly.
 Check the cut at the tail 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.
Is there a problem below with the installation of PS07?
- Improperly installed PS07
- Lever abnormality
Yes No
If there are any problems, replace the PS07.
 Check the paper path.
 Check for improper operation of PS07 due to external light.
 Check the fuser drive mechanism for loose gears.
Chapter 5 Engine Problems Troubleshooting
5-37