FIXING UNIT
2-O-3
2 UNIT EXPLANATION
[3] M16 (Web Drive) Control
SD2 (web) is controlled by PRCB (printer control
board). The related signal is PS30 (fixing exit).
1. Operation
When PS30 is turned ON by passage of paper,
SD2 is controlled by PRCB (printer control
board) according to the fixing web counter value.
The fixing web counter value is incremented
together with the total counter in exit section of
the main body. The relationship between the fix-
ing web counter values and SD2 (web) is as fol-
lows:
*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.
2. Signals
a. PRCB input signal
(1) FIXEXIT_PS (PS30 to PRCB)
Detection signal of passage of paper at fixing 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
Fixing 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
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