ADU
2-N-10
2 UNIT EXPLANATION
[5] Paper Reverse and Exit Control
The reserve/exit selection gate in the fixing unit
determines whether the paper fed from the fixing
unit is to be ejected straight or reversed.
The reverse/exit selection gate is driven by SD7
(reverse gate). The decurler roller is driven by M4
(fixing) and the reverse/exit roller is driven by M8
(reverse/exit). The ADU reverse roller is driven by
M9 (ADU reverse). The exit conveyance roller
and main body exit roller are driven by M7 (paper
exit).
M4 and M7 are controlled by PRCB (printer con-
trol board) directly. M8, M9, and SD7 are con-
trolled by PRCB (printer control board) via
ADUDB (ADU drive board).
Related signals are PS30 (fixing exit), PS37
(paper exit), and PS42 (paper reverse).
ADUDB
M9
24V
24V
A
/A
B
/B
M8
24V
24V
A
/A
B
/B
M7
24V
24V
A
/A
B
/B
M4
24V2
GATE DR
5V2
REV PS
S.GND
PRCB
IO DTXD
IO DCLK
ADU LATCH
IO UCLK
REQ1
IO URXD
ACK1
ERR OUT1
2NDM CLK
PS30
PS46
SD7
5V2
FIXEXIT PS
S.GND
PS37
5V
MAINEXIT PS
S.GND
5V2
ADU REV
S.GND
PS45
5V2
DECUR PS
S.GND
PS42
DCPS
24V1
5V2
S.GND
P.GND
5V2
24V1
S.GND
24V2
P.GND
MS1
MS2
5V
P.GND
MAINM CONT
MAINM CLK
MAINM F/R
MAINM EM
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