Detecting Jams; Jam Detection Outline; Overview - Canon LBP3250 Series Service Manual

Chapter 2

2.5.2 Detecting Jams

2.5.2.1 Jam Detection Outline

2.5.2.1.1 Overview

The following sensors are installed to detect absence/presence of papers and whether papers are correctly fed.
- Fixing delivery sensor (PS701)
- Paper width sensor (PS702)
- Leading edge sensor (PS801)
PS702
Whether jam occurs or not is judged according to whether a paper is absent/present on the sensor at the check timing that has been stored in the CPU of the engine
controller.
When the engine controller judged that jam has occurred, print operation is stopped and jam occurrence is noticed to the main controller.
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PS701
PS801
F-2-18
0019-9529