Paper Attraction Detection (Before Image Transfer; Control - Minolta CF910 Service Manual

1154SBM160205A

(5) Paper Attraction Detection (before image transfer)

• Paper Attraction Detection Board 1 PWB-O detects that a sheet of paper has been
attracted properly onto the Transfer Film.
• PWB-O illuminates the paper fed and, according to the timing at which the reflected light
is detected, determines the type of paper (standard or PPC paper, OHP transparencies).
• The determination of the type of paper is made when the standard or PPC paper is
selected in Multi Bypass copying.
1154SBM160206A

(6) Control

Control Signal
Paper Take-up
PWB-I PJ6I-1
Motor M15
Static Charge
Roller Solenoid PWB-I PJ5I-3B
SL13
Backup Blade 2
PWB-I PJ4I-7B
Solenoid SL19
High Voltage
PWB-I PJ4I-10A
Unit 3 HV3
<One-sheet attraction>
Transfer Drum Reference
Position Sensor 1
(PC20)
M15
SL13
SL19
HV3
Paper
Energized/ON
L
L
L
L
Start key ON
H
L
ON
OFF Approx. 0.1 sec.
ON
OFF
Approx. 0.4 sec.
ON
OFF
ON
OFF
A: Feeding-direction paper size (mm) / 120 (mm/s) + 0.9 sec.
M-95
PWB-O
Transfer Film
1144M073AA
Deenergized/OFF Wiring Diagram
H
H
H
H
A
1154T31MCA
13-D
14-E
15-E
15-D