Ricoh J012 Service Manual page 357

Motors
Bypass Paper Feed
MT
Motor – STM4
MT Cooling Fan
Horizontal Motor -
MT
DCM1
Ink Pump Motor (KC)
MT
– DCM3
Ink Pump Motor (M) –
MT
DCM4
Maintenance Motor –
MT
MT STM1
PFU Paper Feed
MT
Motor – STM2
Vertical Motor
MT
(DCM2)
SM
CÓPIA NÃO CONTROLADA
Mounted in the multi bypass tray. Drives the pick-up
roller and paper feed rollers that feed paper from the
bypass tray into the printer.
Mounted on the right rear corner of the printer (viewed
from the back). This fan pulls hot air from the interior of
the printer and pushes it out through a ventilation port.
Mounted on the left side of the printer, drives forward
and reverse to control the timing belt that moves the
carriage left and right during printing. The operation of
the motor is controlled by the horizontal encoder sensor
(a long film strip) mounted behind the carriage.
Runs forward to pump cyan (C) to Print Head 2,
reverses to pump black (K) to Print Head 2.
Runs forward to pump yellow (Y) to Print Head 1,
reverses to pump magenta (M) to Print Head 1.
Mounted in the maintenance unit. Drives the
maintenance unit: 1) Rotates forward to drive the shaft
that raises and lowers the caps during print head
cleaning, 2) Reverses to drive the simple tube pump
that siphons ink from the print head through the right, 3)
Raises and lowers the wiper that removes ink collected
around the print head.
Mounted in the PFU. Drives the pick-up roller and paper
feed rollers that feed paper from the PFU tray into the
printer.
Mounted behind the vertical encoder wheel and to the
left of the PSU. This motor, controlled by the rotation fo
the vertical encoder wheel and SENC board, drives the
paper rollers that drive the transport belt.
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CÓPIA NÃO CONTROLADA
Electrical Components
J012/J013/J014