2NC/2NF/2NG/2NN/3P7/3P8/3P9
2-1-2
1. Main/Engine PWB (MEPWB)................ Controls the software such as the print data processing and pro-
vides the interface with computers.
Controls printer hardware such as high voltage/bias output con-
trol, paper conveying system control, and fuser temperature con-
trol, etc.
2. Operation panel PWB (OPPWB) .......... Consists the LCD, LED indicators and key switches.
3. High voltage PWB (HVPWB) ................ Generates main charging, developing bias, transfer bias and sep-
aration bias.
4. Power source PWB (PSPWB) .............. After full-wave rectification of AC power source input, switching
for converting to 24 V DC for output. Controls the fuser heater.
5. Sub PWB (SPWB) ................................ 3.3V output control when standing by.
6. Drum PWB (DRPWB) ........................... Relays wirings from electrical components on the drum unit.
7. Drum relay PWB (DRRPWB)................ Consists of wiring relay circuit between engine PWB and the
drum unit.
8. Container relay PWB (CONTRPWB) .... Consists of wiring relay circuit between engine PWB and the
toner container.
9. CIS (CIS)............................................... Reads the image of originals.
10. APC PWB (APCPWB) .......................... Generates and controls the laser beam.
List of correspondences of PWB names
No.
Name used in service manual
Name used in parts list
Part.No.
1
Main/engine PWB (MEPWB)
PARTS PWB MAIN ENGINE ASSY SP
302NN94040
2
Operation panel PWB (OPPWB)
PARTS PWB PANEL MAIN ASSY SP
302NN94030
3
High voltage PWB (HVPWB)
PARTS HIGH VOLTAGE UNIT SP
302NG94250
4
Power source PWB (PSPWB)
PARTS UNIT POWER SOURCE 230 SP
PARTS UNIT POWER SOURCE 120 SP
302NG94240
302NG94230
5
Sub PWB (SPWB)
PWB SUB ASSY
302H701280
6
Drum PWB (DRPWB)
-
-
7
Drum relay PWB (DRRPWB)
PARTS PWB DRUM CONNECT ASSY
SP
2NG94290
8
Container relay PWB (CONTRPWB)
P.W.BOARD ASSY CONTAINER CONN
302LV01130
9
CIS (CIS)
PARTS CIS ASSY SP
302NG93070
10
APC PWB (APCPWB)
-
-
Summary of Contents for DP-480
Page 6: ...This page is intentionally left blank ...
Page 12: ...This page is intentionally left blank ...
Page 18: ...2NC 2NF 2NG 2NN 3P7 3P8 3P9 This page is intentionally left blank ...
Page 54: ...2NC 2NF 2NG 2NN 3P7 3P8 3P9 1 2 24 This page is intentionally left blank ...
Page 172: ...2NC 2NF 2NG 2NN 3P7 3P8 3P9 1 3 118 This page is intentionally left blank ...
Page 278: ...2NC 2NF 2NG 2NN 3P7 3P8 3P9 2 1 4 106 This page is intentionally left blank ...
Page 434: ...2NC 2NF 2NG 2NN 3P7 3P8 3P9 2 2 44 This page is intentionally left blank ...
Page 446: ...2NC 2NF 2NG 2NN 3P7 3P8 3P9 2 3 12 This page is intentionally left blank ...
Page 455: ...Installation Guide DP 480 Document processor Installation Guide ...
Page 458: ...2 3 4 5 6 A ...
Page 459: ...3 7 8 9 B C C ...
Page 460: ...4 10 ...
Page 473: ...PF 480 300 sheet Paper feeder Installation Guide ...
Page 476: ...2 5 6 4 3 B M3x8 B M3x8 B M3x8 B M3x8 1 2 ...
Page 477: ...3 9 10 8 7 1 2 ...
Page 478: ...4 13 12 11 1 2 C ...
Page 479: ...5 15 14 E D D E D D E D D E D D ...
Page 482: ...DU 480 duplex unit Installation Guide ...
Page 484: ...1 2 3 1 A B M3x8 ...
Page 485: ...2 6 7 5 4 A A B M3x8 ...
Page 489: ...IB 33 Network interface kit Installation Guide ...
Page 490: ...2 3 1 IB 33 2013 7 303PB56710 01 A B ...
Page 491: ...6 7 5 4 2013 7 303PB56710 01 B YC2007 A ...
Page 492: ...FAX System X Installation Guide ...
Page 495: ...2 5 4 3 2 B M3x8 A YC 2003 ...
Page 496: ...3 8 9 7 6 C G G 8 9 7 6 C ...
Page 497: ...4 11 10 12 13 D D E ...
Page 499: ......
Page 500: ......