Ricoh G179 Service Manual page 547

Component Layout
No. Component
Boards (PCB)
PCB1 Main Board
PCB2 Booklet Stapler Board
PCB3 Punch Unit Board
Motors
Finisher Entrance
M1
Motor
M2 Upper Transport Motor
M3 Lower Transport Motor
Upper/Proof Tray Exit
M4
Motor
M5 Feed Out Belt Motor
Corner Stapler
M6
Movement Motor
Paper Position Sensor
M7
Slide Motor
Clamp Roller
M8
Retraction Motor
SM
CÓPIA NÃO CONTROLADA
The main board that controls the finisher
A separate board that controls booklet finishing.
The board that controls the punch unit.
Drives 1) the finisher entrance rollers, 2) and the punch
waste transport belt of the punch unit.
Drives the paper feed rollers that feed paper 1) to the
proof tray, 2) straight-through to the upper tray, 3) the
pre-stack tray entrance roller.
Drives paper feed rollers forward and reverse in the
pre-stack tray for the switchback, and drives the other
rollers in the lower transport area.
Drives 1) proof tray exit rollers, 2) extension and
retraction of the stacking sponge roller, 3) upper tray
exit rollers.
Drives the feed out belt that moves the stapled stacks
out of the stapling tray after stapling.
Moves the corner stapler horizontally on a steel rod to
position the stapler at the stapling position at 1) the
front, 2) the rear (straight stapling), 3) the rear (diagonal
stapling), or 4) the front and rear for double stapling.
Drives the movement of the paper position slide that
holds the paper position sensor (S3) that detects the
position of the paper.
Drives a large cam that alternately clamps and
unclamps the clamp retraction roller, the idle roller of the
clamp roller pair. When these rollers are clamped, they
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CÓPIA NÃO CONTROLADA
Function
B804/B805