Detection Jams; Outline - Canon MF6500 Series Service Manual

Chapter 4

4.3 Detection Jams

4.3.1 Outline

LaserBase MF6530 / / LaserBase MF6540PL / LaserBase MF6550 / KaserBase MF6560PL / / LaserBase MF6580PL
This machine detects a jam using the sensors shown below. Document jam check timings are stored in the ROM on the image processor PCB to check whether a
jam has occurred according to presence/absence of the document at the relevant sensor position.
When a jam occurs, the host machine stores its code.
Jam codes can be checked by outputting a jam error log report in the service mode of the host machine.
Code Name
0000 Unknown jam
0007 Initial stationary
0008 Document edge sensor delay SR2002
0009 Document edge sensor
stationary
000a Paper absence (Pull out the
document.)
0010 Pickup NG
4-6
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SR2001
SR2004
SR2002
SR2003
F-4-11
T-4-4
SR2001: Document set sensor
SR2002: Document edge sensor
SR2003: Registration sensor
SR2004: Separation rear sensor
T-4-5
Sensor No. Description
- Other errors
SR2002, R2003, SR2004 Paper is detected in the transport path before the DADF starts initial operation.
The document sdge sensor does not detect paper when the paper has been fed by the
predetermined distance since reception of a pickup request.
SR2002 The trailing edge of paper is not detected when the paper has been fed by the
predetermined distance since detection of it by the docement edge sensor.
SR2001 The Document set sensor has been held off since start of pickup.
SR2003 The registration sensor has been held off since paper pickup started.
0011-5776