Ricoh J012 Service Manual page 360

Electrical Components
PCB PFU Main Board
PSU (Power Supply
PCB
Unit)
SENC (Sub Scan
PCB
Encoder)
Print Heads
PH Print Head 1
PH Print Head 2
J012/J013/J014
CÓPIA NÃO CONTROLADA
Mounted in the optional paper feed unit. This is the
board that controls operation of the paper feed unit
and interfaces with the printer.
Mounted under the left front cover. Supplies both 37V
and 5.1V power to the HVPS and all motors in the
printer.
A small PCB mounted below and slightly to the left of
the vertical encoder wheel. The vertical encoder
sensor is mounted and positioned on this PCB so the
rim of the vertical encoder wheel passes through its
gap as the wheel rotates. The sensor reads the code
on the rim of the wheel to control the operation of
paper feed timing and operation of the vertical feed
motor.
Contains 2 ink tanks: M, Y
Contains 2 ink tanks: C, K
6-22
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SM