Davin J012, Service Manual

Page: 290 / 365

Scanner
No. Component Function
Motor
MT Scanner Motor
Moves the exposure lamp across the original on the
exposure glass.
Boards
PCB Lamp Regulator
Converts the ac power input to a stable, high frequency ac
output to the exposure lamp. This provides a more stable
light source and better latent image.
PCB CCD Board Controls operation of the exposure lamp.
PCB
Network Communication
Unit
Controls network communication
PCB Main Board Controls operation of the scanner unit.
PCB Network Interface Card
Installed on the back of the machine. Provides connection
point for the network cable. Built into the J014. Provided as
an option for the J012/J013 and requires installation.
Other
Other Operation Panel Provides the keys for operation of the copier and fax.
Other Exposure Lamp
Cold Cathode Fluorescent Lamp. Illuminates the original for
scanning. Converts the ac power input to a stable, high
frequency ac output to the exposure lamp. This provides a
more stable light source and better latent image.
Printer Engine
No. Component Function
Clutches
CL
Bypass Paper Feed
Clutch – CL4
A one-way clutch that controls the operation of the pick-up roller.
Releases and allows the pick-up roller (a half roller) to rotate and
pick-up the sheet and feed it. When the roller reaches its point of
half-rotation, the pawl of the clutch stops the pick-up roller. The
Electrical Components
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