2LV/2L1/2L2/2MS/2MT
2-2-2
1. Main PWB (MPWB) .............................. Controls the software such as the print data processing and
provides the interface with computers.
2. Engine PWB (EPWB)............................ Controls printer hardware such as high voltage/bias output con-
trol, paper conveying system control, and fuser temperature con-
trol, etc.
3. 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.
4. High voltage PWB (HVPWB) ................ Generates main charging, developing bias, transfer bias.
5. Drum PWB (DRPWB) ........................... Relays wirings from electrical components on the drum unit.
Drum individual information in EEPROM storage.
6. Drum relay PWB (DRRPWB)................ Consists of wiring relay circuit between engine PWB and the
drum unit.
7. Relay-L PWB (R-LPWB) ....................... Consists of wiring relay circuit between engine PWB and drum
connect PWB.
8. Operation PWB (OPPWB-M) ................ Consists the LCD, LED indicators and key switches.
9. Backlight PWB (BLPWB) ...................... LCD lighting.
10. Fuser thermistor relay PWB
(FUTHRPWB) ....................................... Consists of wiring relay circuit between engine PWB ,fuser
thermistors and cooling fans.
11. APC PWB (APCPWB) .......................... Generates and controls the laser beam.
12. PD PWB (PDPWB) ............................... Controls horizontal synchronizing timing of laser beam.
13. Container PWB (CPWB) ....................... Reads the container information.
List of correspondences of PWB names
No.
Name used in service manual
Name used in parts list
1
Main PWB (MPWB)
PARTS PWB ASSY MAIN SP
2
Engine PWB (EPWB)
PARTS PWB ASSY ENGINE SP
3
Power source PWB (PSPWB)
PARTS SWITCHING REGULATOR 120V SP
PARTS SWITCHING REGULATOR 230V SP
4
High voltage PWB (HVPWB)
PARTS HIGH VOLTAGE UNIT SP
5
Drum PWB (DRPWB)
P.W. BOARD ASSY DRUM
6
Drum connect PWB (DRRPWB)
P.W. BOARD ASSY DRUM CONNECT
7
Relay-L PWB (R-LPWB)
P.W. BOARD ASSY CONNCT-L
8
Operation PWB (OPPWB)
PARTS PWB ASSY PANEL SP
9
Backlight PWB (BLPWB)
10
Fuser thermistor relay PWB (FUTHRPWB)
P.W. BOARD ASSY TH CONNECT
11
APC PWB (APCPWB)
P.W. BOARD ASSY APC
12
PD PWB (PDPWB)
P.W. BOARD ASSY PD
13
Container PWB (CPWB)
P.W. BOARD ASSY CONTAINER
Summary of Contents for P-4030D
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Page 200: ...Installation Guide 500 sheets paper feeder Installation Guide ...
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Page 203: ...2000 sheets bulk paper feeder Installation Guide ...
Page 205: ...1 2 3 4 1 2 3 1mm 용지 적재 용지 적재 PF 315 종이 잼 제거 종이 잼 제거 양면 장치 양면 장치 ...
Page 206: ...SSD HD 6 Installation Guide ...
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Page 209: ...IEEE1284 Interface Installation Guide ...
Page 212: ...Network interface Installation Guide ...
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Page 216: ...OS ...