Sharp AR-650 Service Manual Page 172

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9 - 33 PAPER FEED SYSTEM
Signals at the copier sideSignals at the PFD
Internal signals
(CRUN)
(RQF)
(PRDY)
PSTP-SW
PMTRM
PMTOP
PFP
PMFDC
PMFED
PMRGT
PMRGC
PURGT
PURGC
(RSTART)
brake
tray-up
tray-down
stop
ON
ON
L
L
H
L
H
L
H
H
OFF
OFF
ON
OFF
ON
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
OFF
ON
ON
ON
OFF
OFF
0.89 0.90 1.62 1.63
0.89 0.90 1.62 1.63
2.13 2.73 3.05 3.65
5.47
0.88
0
2.20
2.26
4.20
0.88
0.31
0.89
1.32
1.33
1.30 2.021.76
1.62 2.141.79 2.15
5.48
1.04
1.24
1.32 1.86 2.14
1.59
1.32 1.98
2.13 2.41
2.27
2.81 3.183.05
2.20 2.41 3.11
2.68
1.79 1.95 2.61
1.61 1.72 2.43
1.98 2.67 2.80 3.58
Timing chart for feeding two A4 sheets of paper from the middle cassette
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