2MY/2MZ
2-2-2
7. Operation panel PWB main 
(OPPWB-M) .......................................... Consists of the LCD, LED indicators and key switches.
8. Operation panel PWB left 
(OPPWB-L) ........................................... Consists of the LED indicators and key switches.
9. Operation panel PWB right 
(OPPWB-R) .......................................... Consists of the LED indicators and key switches.
10. LCD (LCD) ............................................ LCD display.
11. LCD relay PWB (LCDRPWB) ............... Consists of wiring relay circuits between the operation panel PWB 
main and the LCD PWB.
12. CCD PWB (CCDPWB).......................... Scans the image of originals.
13. APC PWB Y (APCPWB-Y) ................... Generates and controls the laser beamfor yellow.
14. APC PWB C (APCPWB-C) ................... Generates and controls the laser beam for cyan.
15. APC PWB M (APCPWB-M) .................. Generates and controls the laser beam for magenta.
16. APC PWB K (APCPWB-K) ................... Generates and controls the laser beam for black.
17. BD PWB Y (BDPWB-Y) ........................ Controls horizontal synchronizing timing of laser beam for yellow.
18. BD PWB C (BDPWB-C)........................ Controls horizontal synchronizing timing of laser beam for cyan.
19. BD PWB M (BDPWB-M) ....................... Controls horizontal synchronizing timing of laser beam for 
magenta.
20. BD PWB K (BDPWB-K) ........................ Controls horizontal synchronizing timing of laser beam for black.
21. Drum PWB Y (DRPWB-Y) .................... Relays wirings from electrical components on the drum unit for 
yellow. 
Stores the drum's identifications a EEPROM.
22. Drum PWB C (DRPWB-C).................... Relays wirings from electrical components on the drum unit for 
cyan. 
Stores the drum's identifications a EEPROM.
23. Drum PWB M (DRPWB-M) ................... Relays wirings from electrical components on the drum unit for 
magenta. 
Stores the drum's identifications a EEPROM.
24. Drum PWB K (DRPWB-K) .................... Relays wirings from electrical components on the drum unit for 
black. 
Stores the drum's identifications a EEPROM.
25. Drum connect PWB (DRCPWB) ........... Consists of wiring relay circuit between engine PWB and the 
drum unit.
26. Developing PWB Y (DEVPWB-Y)......... Relays wirings from electrical components on the developing unit 
for yellow.
Stores the developer's identifications a EEPROM.
27. Developing PWB C (DEVPWB-C) ........ Relays wirings from electrical components on the developing unit 
for cyan.
Stores the developer's identifications a EEPROM.
28. Developing PWB M (DEVPWB-M)........ Relays wirings from electrical components on the developing unit 
for magenta.
Stores the developer's identifications a EEPROM.
29. Developing PWB K (DEVPWB-K)......... Relays wirings from electrical components on the developing unit 
for black.
Stores the developer's identifications a EEPROM.
30. RFID PWB (RFPWB) ............................ Reads the container information.
31. LSU connect PWB (LSUCPWB) ........... Consists of wiring relay circuit between main PWB, engine 
connect PWB and LSU unit.
32. Engine connect PWB (ECPWB) ........... Consists of wiring relay circuit between engine PWB and drum 
connect PWB, transfer connect PWB, option unit.
33. IH PWB (IHPWB) .................................. Control of IH coil that heats fuser roller.
34. Fuser PWB (FUPWB) ........................... Relays wirings from electrical components on the fuser unit. 
Fuser  individual information in EEPROM storage.