Delay Jams; Pickup Delay Jam; Delivery Delay Jam; Stationary Jams - Canon LBP3200 - LBP 3200 B/W Laser Printer Service Manual

Initial Jam

The top sensor or the delivery sensor goes on while the main motor is starting to rotate.
Cover Open Jam
The machine identifies a condition in which the front cover is opened while it is moving paper.

2.3.2.2 Delay Jams

2.3.2.2.1 Pickup Delay Jam

If the top sensor does not detect the leading edge of paper within 1.2 sec after the start of pickup operation, the
machine initiates pickup operation once gain. The machine identifies a pickup delay jam if the top sensor does not
detect the leading edge of paper within 1.2 sec after the 2nd pickup operation.

2.3.2.2.2 Delivery Delay Jam

The machine identifies a delay jam if the delivery sensor does not detect the leading edge of paper within 1.615 sec
after the top sensor has detected the leading edge of paper.

2.3.2.3 Stationary Jams

2.3.2.3.1 Pickup Stationary Jam

The machine identifies a pickup stationary jam if the top sensor does not detect the absence of paper within 3.575
sec after the top sensor has detected the leading edge of paper.

2.3.2.3.2 Delivery Stationary Jam

The machine moves to a delivery stationary jam sequence if it does not detect a wrap jam.
The machine identifies a delivery stationary jam if the delivery sensor does not detect the trailing edge of paper for
1.715 sec after the top sensor has detected the trailing edge of paper.

2.3.2.4 Other Jams

2.3.2.4.1 Wrap Jam

The machine starts a wrap jam detection sequence in 0.1 sec if it does not detect a delivery delay jam.
It identifies a wrap jam if the delivery sensor detects the trailing edge of paper within 1.06 sec after the top sensor
has detected the trailing edge of paper.
The term "wrap jam" refers to paper that wraps around the fixing pressure roller; its leading edge passes through the
delivery sensor, but it jams thereafter. The machine is designed to identify such a jam so as to prevent wrapping paper
from fully moving into the fixing assembly.
Chapter 2
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