Electrical Parts Layout; Pwbs - Olivetti d-Color MF2613En Service Manual

2-2-1 Electrical parts layout

2-2 Electrical Parts Layout

(1) PWBs

17
1. Main PWB (MPWB) .............................. Controls the software such as the print data processing and
2. Engine PWB (EPWB)............................ Controls printer hardware such as high voltage/bias output con-
3. Power source PWB (PSPWB) .............. After full-wave rectification of AC power source input, switching
4. High voltage PWB (HVPWB) ................ Generates main charging, developing bias, transfer bias and
5. Operation panel PWB (OPPWB) .......... Controls the LCD display. Consists the LCD, LED indicators and
6. Relay PWB (RPWB) ............................. Consists of wiring relay circuit between main PWB and engine
7. Drum relay PWB (DRRPWB)................ Consists of wiring relay circuit between engine PWB and the
Y116650-5
5
2
13 12
16
21 25 24
3
Machine right
Figure 2-2-1 PWBs
provides the interface with computers.
trol, paper conveying system control, and fuser temperature con-
trol, etc.
for converting to 24 V DC and 5V DC for output. Controls the
fuser heater.
cleaning bias.
key switches.
PWB and power source PWB.
drum units and developing units.
28
27
4
11
15 14
20
19 23 22
6
Machine inside
2-2-1
26
1
8
29
10
7
18
9
Machine left
2PV/2PW
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