2P7/2R0/3PN-3
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) .................... Consists the LCD, LED indicators and key switches.
9. ID PWB (IDPWB) .................................. Reads the container information.
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
*1
: For KDTW
No. Name used in service manual Name used in parts list Part.No.
1 Main PWB (MPWB) PARTS PWB ASSY MAIN E SP 302P79411_
2 Engine PWB (EPWB) PARTS PWB ASSY ENGINE SP 302P79412_
3 Power source PWB (PSPWB)
PARTS SWITCHING REGULATOR 120V SP
PARTS SWITCHING REGULATOR 230V SP
302LV9408_
*1
302LV9407_
4 High voltage PWB (HVPWB) PARTS HIGH VOLTAGE UNIT SP 302P79405_
5 Drum PWB (DRPWB)
-
(DK-7300)
-
(302P79306_)
6 Drum connect PWB (DRRPWB) PARTS PWB ASSY DRUM CONNECT SP 302LV9420_
7 Relay-L PWB (R-LPWB) PARTS PWB ASSY CONNCT-L SP 302P79408_
8 Operation PWB (OPPWB) PARTS PWB ASSY PANEL SP 302P79413_
9 ID PWB (ID PWB)
--
10
Fuser thermistor relay PWB
(FUTHRPWB)
PARTS PWB ASSY TH CONNECT SP 302LV9422_
11 APC PWB (APCPWB)
-
(LK-7300)
-
(302P79303_)
12 PD PWB (PDPWB)
13 Container PWB (CPWB)
-
(DK-7300)
-
(302P79306_)
To Next Page
Loading...
Need help?
General