2K5
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 and operation panel.
3. Power source PWB (PSPWB) ..................... Gen24 V DC and 5 V DC; controls the fuser heaters.
4. High voltage PWB (HVPWB) ....................... Main charging. Generates developing bias and high voltages for transfer.
5. Scanner PWB (SPWB) ................................ Controls the scanner section.
6. Inverter PWB (INPWB) ................................ Controls the exposure lamp.
7. LCD inverter PWB (LINPWB) ...................... Controls LCD indication.
8. CCD PWB (CCDPWB)................................. Reads the image of originals.
9. Main operation unit PWB (OPWB-M)........... Controls touch panel and LCD indication.
10. Right operation unit PWB (OPWB-R) .......... Consists of the operation keys and display LEDs.
11. Left operation unit PWB (OPWB-L) ............. Consists of the operation keys and display LEDs.
12. Upper operation unit PWB (OPWB-U) ......... Consists of the operation keys and display LEDs.
1
6
11
12
13
7
10
8
9
4
17
18
16
14
19
2
5
3
20
15
Machine front
Machine inside
Machine rear
Summary of Contents for TASKALFA 300I
Page 1: ...SERVICE MANUAL Published in February 2010 842K5111 2K5SM061 Rev 1 TASKalfa 300i ...
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Page 14: ...2K5 This page is intentionally left blank ...
Page 22: ...2K5 1 1 8 This page is intentionally left blank ...
Page 196: ...2K5 1 4 52 This page is intentionally left blank ...
Page 252: ...2K5 1 5 56 This page is intentionally left blank ...
Page 274: ...2K5 2 1 20 This page is intentionally left blank ...
Page 310: ...2K5 2 3 28 This page is intentionally left blank ...
Page 347: ...INSTALLATION GUIDE FOR PAPER FEEDER ...
Page 369: ...INSTALLATION GUIDE FOR BUILT IN FINISHER ...
Page 381: ...INSTALLATION GUIDE FOR JOB SEPARATOR ...
Page 391: ...INSTALLATION GUIDE FOR FAX System ...
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