2PX/2PY
2-2-1
2-2 Electrical Parts Layout
2-2-1 Electrical parts layout
(1) PWBs
Figure 2-2-1 PWBs
1. Main PWB (MPWB) .............................. Controls the software such as the print data processing and
provides the interface with computers.
2. Engine PWB (EPWB)............................ Controls printer hardware such as high voltage/bias output con-
trol, paper conveying system control, and fuser temperature con-
trol, etc.
3. Power source PWB (PSPWB) .............. After full-wave rectification of AC power source input, switching
for converting to 24 V DC and 5V DC for output. Controls the
fuser heater.
4. High voltage PWB (HVPWB) ................ Generates main charging, developing bias, transfer bias and
cleaning bias.
5. Operation panel PWB (OPPWB) .......... Controls the touch panel. Consists the touch panel, LED indica-
tors and key switches.
6. Relay PWB (RPWB) ............................. Consists of wiring relay circuit between main PWB and engine
PWB and power source PWB.
7. Drum relay PWB (DRRPWB)................ Consists of wiring relay circuit between engine PWB and the
drum units and developing units.
1
3
13
16
2
4
28
17
21
25
24
20 19
9
6
23
22
18
7
15
8
26
29
14
12
11
10
27
Machine inside
Machine right
Machine left
5, 30-33
Summary of Contents for 6026
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Page 134: ...2PX 2PY 1 3 96 This page is intentionally left blank ...
Page 237: ...2PX 2PY 1 5 51 9 Remove the scanner unit Figure 1 5 78 Scanner unit ...
Page 275: ...2PX 2PY 1 5 89 4 Remove the paper conveying unit Figure 1 5 145 Paper conveying unit 1 2 2 ...
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Page 323: ...2PX 2PY 2 2 10 This page is intentionally left blank ...
Page 371: ...1 1 INSTALLATION GUIDE INSTALLATION GUIDE FOR Card Authentication Kit D ...
Page 372: ...1 2 3 4 5 a a c CARD READER CARD READER HOLDER D b ...
Page 373: ...10 b c 6 8 9 7 ...
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