Electrical Parts Layout; Pwbs - Kyocera TASKalfa 4500i Service Manual

2-2 Electrical Parts Layout

2-2-1 Electrical parts layout

(1) PWBs

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1
4
3
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, developer bias, transfer bias and sepa-
5. ISC PWB (ISCPWB) ............................. Controls the scanner section.
6. CCD PWB (CCDPWB).......................... Reads the image of originals.
7. LED lamp PWB (LLPWB) ..................... Exposes originals.
8. Operation PWB 1 (OPWB1).................. Controls touch panel and LCD indication.
9. Operation PWB 2 (OPWB2).................. Consists of the LED indicators and key switches.
5
2
21
20
16
11
17
15
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 12 V DC for output. Controls the
fuser Heater.
ration bias.
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10
6
22
12
19
18
23
13
2-2-1
2LL/2LJ/2LH-1
9
14
Machine front
Machine inside
Machine rear