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FIXING UNIT
[5] SD3 (Fixing Guide) Control
PRCB
5VDC
SGND
DCPS1
SD3 (fixing guide) is driven by ADUSDB (ADU stand
drive board) and controlled by serial data sent from
PRCB (printer control board).
1. Operation
When the thick paper mode is selected on the
operation panel, SD3 turns ON after the speci-
fied time from PS45 (leading edge detection)
detected the paper leading edge and lowers the
thick paper conveyance auxiliary plate, widening
the paper feed space. As a result, feeding a thick
paper to the fixing unit becomes smoother.
2. Signal
a.
Output signal
(1) SD3 CONT (ADUSDB to SD3)
SD3 drive control signal.
[L]: SD3 ON
[H]: SD3 OFF
24VDC
SD3
SD3 CONT
5VDC
PS45
PS45
SGND
ADUSDB
24VDC
PGND
DCPS2
2-O-8
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