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ENWW Fuser unit 113
MFP unit explanation
M16 (web drive) control
SD2 (web) is controlled by PRCB (printer
control board). The related signal is PS30
(fuser exit).
1 Operation
When PS30 is turned on by passage of
paper, SD2 is controlled by PRCB (printer
control board) according to the fuser web
counter value. The fuser web counter
value is incremented together with the
total counter in exit section of the MFP.
The relationship between the fuser web
counter values and SD2 (web) is as
follows:
*1 SD2 is turned on once per copy, but is
not turned on once per six copies.
*2 SD2 is turned on once per copy, but is
not turned on once per three copies.
3 Signals
a PRCB input signal
1 FIXEXIT_PS (PS30 to PRCB)
Detection signal of passage of paper
at fuser unit exit
[L]: Detected
[H]: Not detected
b PRCB output signal
1 WEBSC_DRV (PRCB to SD2)
SD2 (web) drive control signal
[L]: SD2 on
[H]: SD2 off
Fuser web counter value SD2 drive count
1 to 12,000 Once per copy
12,001 to 30,000 Once per copy *1
30,001 to 60,000 Once per copy *2
60,001 to 125,000 Once per 2 copies
125,0001 to 260,000 Once per 3 copies
260,001 or more Once per 6 copies
PS30
SD2
PRCB
DCPS
24VDC
PGND
5VDC
SGND
MC24V_2
WEBSC_DRV
5V2
FIXEXIT_PS
S.GND