2E25】Paper Jam While Feeding, Ejecting Or Printing On Paper (Jam 2) - Canon iPF9000S Troubleshooting Manual

8. 【2E25】Paper jam while feeding, ejecting or printing on
paper (Jam 2)
Jam between the prefed paper detection sensor and the LF_PE sensor (LF_PE sensor delay
Occurrence
jam)
conditions
Jam between the roll paper sensor and the LF_PE sensor (LF_PE sensor delay jam)
C1 Sensors
Feeding
C2
system
Paper
C3
problems
Cause
C2 Check to see if the main unit back cover is properly closed (cassette pick-up only).
C2 With the back cover open, check for jams.
Check to see if there is foreign matter in the path of travel.
⇒ With the back cover removed, illuminate the inside to see slips of paper.
C2
Release the nip and (POP mode) and push in the paper from the front to
remove the slips.
C1 Check to see if the sensor functions normally in IO mode.
With the main unit back cover open, feed paper (cassette pick-up only).
C1, C2,
⇒If no problem is found, there is no problem along the path form the prefed paper
C3
detection sensor to the cassette.
If roll paper are being fed, check the roll paper unit for operation (pendulum gear).
Switch to cassette or POP mode and retract the paper to the roll paper unit side
C2
once. Then, switch to roll paper feeding. If an error occurs with the roll, the roll
paper unit is at operational fault.
iPF5000 Series only
LF_PE Faulty sensor
LF_PE sensor lever operational failure
Bitten wires
Faulty main controller
Back cover out of position/not closed properly
Foreign matter in the path of travel
Cassette pressure cam parallel pin out of position
Broken/worn drive gear
Improper cassette pick-up motor belt tension
Soiled cassette feed roller
Slippery paper
Folded paper
Key point to check
Back cover
Chapter 3 More Sophisticated Fault Isolation Tasks
Roll feed unit PCB
3-15
Action
Close.
Remove the
jams.
Remove foreign
matter.
Replace the
sensor.
Fix.
Fix.
Pendulum gear