Advertisement
1. Main PWB (MPWB) .............................. Controls the software for print data processing and provides the
2. Engine PWB (EPWB)............................ Controls printer hardware such as high voltage/bias output con-
3. High voltage PWB (HVPWB) ................ Generates main charging, developing bias, secondary transfer
4. High voltage PWB sub (HVPWB-S)...... Generates primary transfer bias, cleaning bias.
5. Power source PWB (PSPWB) .............. After full-wave rectification of AC power source input, switching
6. Operation panel PWB main
(OPPWB-M) .......................................... Consists of the LCD, LED indicators and key switches.
7. Operation panel PWB sub
(OPPWB-S)........................................... Consists of the LED indicators and key switches.
8. LCD (LCD) ............................................ LCD display.
9. Touch panel (TP)................................... Operates the operation panel.
10. ISC PWB (ISCPWB) ............................. Controls the scanner section.
11. LED PWB (LEDPWB) ........................... Exposes originals.
12. APC PWB (APCPWB) .......................... Generates and controls the laser beam.
13. BD PWB (BDPWB) ............................... Controls horizontal synchronizing timing of laser beam.
14. Drum connect PWB (DRCPWB) ........... Consists of wiring relay circuit between engine PWB and the
15. Drum PWB Y (DRPWB-Y) .................... Relays wirings from electrical components on the drum unit for
16. Drum PWB C (DRPWB-C).................... Relays wirings from electrical components on the drum unit for
17. Drum PWB M (DRPWB-M) ................... Relays wirings from electrical components on the drum unit for
18. Drum PWB K (DRPWB-K) .................... Relays wirings from electrical components on the drum unit for
19. Developer PWB Y (DEVPWB-Y) .......... Relays wirings from electrical components on the developing unit
20. Developer PWB C (DEVPWB-C) .......... Relays wirings from electrical components on the developing unit
21. Developer PWB M (DEVPWB-M) ......... Relays wirings from electrical components on the developing unit
22. Developer PWB K (DEVPWB-K) .......... Relays wirings from electrical components on the developing unit
23. RFID PWB (RFPWB) ............................ Reads the container information.
24. LSU connect PWB (LSUCPWB) ........... Consists of wiring relay circuit between engine connect PWB and
25. Engine connect PWB (ECPWB) ........... Consists of wiring relay circuit between engine PWB and drum
26. Option connect PWB (OPCPWB) ......... Consists of wiring relay circuit between key card, key counter and
27. IH PWB (IHPWB) .................................. Controls the temperature of the fuser unit.
Service Manual
interface with computers.
trol, paper conveying system control, and fuser temperature con-
trol, etc.
bias and separation bias.
for converting to 24 V DC for output. Controls the fuser heater.
drum unit.
yellow.
Stores the drum's identifications a EEPROM.
cyan.
Stores the drum's identifications a EEPROM.
magenta.
Stores the drum's identifications a EEPROM.
black.
Stores the drum's identifications a EEPROM.
for yellow.
Stores the developer's identifications a EEPROM.
for cyan.
Stores the developer's identifications a EEPROM.
for magenta.
Stores the developer's identifications a EEPROM.
for black.
Stores the developer's identifications a EEPROM.
LSU unit.
connect PWB, transfer connect PWB, option unit.
engine PWB.
2-2-2
2NP
Y116141-8
Advertisement
