2LW/2LX
2-2-1
2-2 Electrical Parts Layout
2-2-1 Electrical parts layout
(1) PWBs
Figure 2-2-1 PWBs
1. Main PWB (MPWB) .............................. Controls the software such as the print data processing and pro-
vides 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. Operation panel PWB (OPPWB) .......... Consists the LCD, LED indicators and key switches.
5. Connect-R PWB (CPWB-R).................. Interconnects the engine PWB and the electrical parts.
6. Connect-L PWB (CPWB-L)................... Interconnects the engine PWB and the electrical parts.
7. Relay PWB (RYPWB) ........................... Interconnects the power source PWB and the fuser heater.
8. Drum PWB (DRPWB) ........................... Relays wirings from electrical components on the drum unit. Drum
individual information in EEPROM storage.
9. Developing PWB (DEVPWB)................ Relays wirings from electrical components on the developing unit.
10. APC PWB (APCPWB) .......................... Generates and controls the laser beam.
12
11
4
6
10
1
14
9
2
3
8
5
7
13
Machine inside
Machine left
Machine right
To Next Page
Loading...
