Service manual

104 Theory of operation ENWW
Figure 34. Sheet-feeder pickup and feed
Top output bin
delivery rollers
Reverse motor drive signal
Main motor drive signal
Power supply PCA
Top-of-page detection signal (/TOPSNS)
Paper feeder paper detection signal (/FDSNS)
drive signal (/FDSN, /FDSOL)
Paper feeder pickup solenoid
Paper feeder PCA
Reverse motor
Main motor
Photosensitive
drum
Feed belts
Pressure roller
Registration shutter
Feed rollers
Transfer charging roller
Registration roller
Feed roller
Pickup roller
Optional tray 3 (250-sheet or 500-sheet feeder)
PS2003
(PS2001)
SL2002
(SL2001)
PS2305
M904
M903
Engine controller PCA
PS2305: Top-of-page sensor (printer) PS2001: 250-sheet feeder media sensor
PS2003: 500-sheet feeder media sensor SL2001: 250-sheet feeder pickup solenoid
SL2002: 500-sheet feeder pickup solenoid