T12 Purge Unit Fault Isolation Tool - Canon iPF9000S Troubleshooting Manual

T12 Purge Unit Fault Isolation Tool

Remove Check the purge unit for
presence of foreign matter
the cover
*1 Sequence of checking the purge unit for
normal operation
① The cap moves down.
② The wiper blade moves forward and
backward.
③ The cap moves up.
Turn the gear clockwise (toward a triangular
mark) by giving it 11.25 turns to complete one
cycle of operation.
Cap
Foreign matter found
No foreign matter found
Turn the gear by hand to check the cap
moves up and down and that the wiper
blade moves forward and backward
Movable
Switch on
Movable
Lock pin
Chapter 4 Fault Isolation Tool Collection
Remove the foreign matter
If the foreign matter is a hard substance,
replace the purge unit
Replace the purge unit
Not movable
(*1)
Replace the purge unit
Totally not movable
With the purge unit being
removed from the main unit,
Switch off once
switch on the power and
check for operations
Wiper blade
Direction of gear rotation
4-23
Replace the
main PCB
Abnormal
2F26
Normal
(*1)
Carriage
inoperable
Gear