Canon Pro9000 Mark II Service Manual page 8

sensor cam.
12 Purge cam Controls purging operation.
sensor
13 PE sensor Detects paper feeding and ejection.
14 PRSB sensor Controls drive of the pressure roller lift cam
and spur base lift cam.
15 AP sensor Controls paper feeding and purging
operation.
16 PR cam Detects the position of the pressure roller lift
sensor cam.
17 LF position Detects the standard rotation position of the
sensor feed roller.
18 Front tray Detects opening and closing of the front
open sensor tray.
19 Inner cover Detects opening and closing of the inner
open sensor cover.
20 Front tray Detects whether the front tray is in the raised
position position or lowered position.
sensor
21 Front feed Detects opening and closing of the front feed
support open support (rear cover).
sensor
- PG cam sensor error
- No paper
- Paper jam
- PRSB position error
- AP position error
- Paper cannot be set for front
feeding. (The pressure roller is in
the lowered position, preventing
paper from being inserted for front
feeding.)
- LF error
- Front tray closed
- Errors relating to opening or
closing of the inner cover
- Errors relating to the front tray
position (raised or lowered)
- Front feed support closed
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