2KN/2KP
2-2-1
2-2 Electrical Parts Layout
2-2-1 Electrical parts layout
(1) PWBs
Figure 2-2-1 PWBs
1. Engine PWB (EPWB)................................... Controls the other PWBs, electrical components and optional devices.
2. Main PWB (MPWB) ..................................... Controls the image processing, operation panel and laser scanner unit.
3. AC power source PWB (ACPSPWB)........... Controls fuser heater M, S, and L. Distributes AC power source.
4. DC power source PWB (DCPSPWB) .......... Generates 24 V DC, 12 V DC, 8 V DC and 5 V DC.
5. Zener PWB (ZPWB)..................................... Controls the PTC (charging) voltage.
6. Operation PWB(OPWB)............................... Controls operation panel and LCD indication.
7. Scanner PWB (SPWB) ................................ Controls the scanner section.
8. SHD PWB (SHDPWB) ................................. Controls the shading correction and AGC of CCD.
9. CCD PWB (CCDPWB)................................. Reads the image of originals.
10. Inverter PWB (INPWB) ................................ Controls the exposure lamp.
8
12
13
11
10
9
6
2
17
20
18
7
1
15
16
14
4
5
3
19
Machine front
Machine inside
Machine rear
Summary of Contents for TASKalfa 620
Page 1: ...SERVICE MANUAL Published in August 2009 842KP112 2KPSM062 Rev 2 TASKalfa 620 820 ...
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Page 144: ...2KN 2KP 1 3 106 This page is intentionally left blank ...
Page 308: ...2KN 2KP 1 5 88 This page is intentionally left blank ...
Page 412: ...2KN 2KP 2 3 60 This page is intentionally left blank ...
Page 435: ...1 1 INSTALLATION GUIDE INSTALLATION GUIDE FOR SIDE FEEDER ...
Page 442: ...INSTALLATION GUIDE FOR LARGE SIZE SIDE FEEDER ...
Page 460: ...INSTALLATION GUIDE FOR DOCUMENT FINISHER ...
Page 475: ...INSTALLATION GUIDE FOR CENTERFOLD UNIT ...
Page 490: ...INSTALLATION GUIDE FOR MULTI JOB TRAY ...
Page 501: ...INSTALLATION GUIDE FOR PUNCH UNIT ...
Page 512: ...INSTALLATION GUIDE FOR STOPPER GUIDE ...
Page 515: ...INSTALLATION GUIDE FOR PRINTING SYSTEM ...
Page 518: ...INSTALLATION GUIDE FOR SCAN SYSTEM ...
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