(4) System diagram
Scanning mirror
No. 1 - 4 mirror
Main charger brush
Laser beam
Laser unit
Toner
Developing | |
roller |
|
MCU PWB
Image data
High voltage power PWB
DC
DC +200V
Photoconductor drum
Discharge brush
Transfer charger roller
Separation electrode
Paper
DC +3.5KV
DC
DC+500V
(5) Operation
a. Wiring diagram
MCU(PCU) PWB
| CN6 |
| ||
TSIN | 3 | GND |
| |
2 | TSIN | Toner sensor | ||
| ||||
+5V | 1 |
|
| |
ASIC
(IC8)
MCON
High voltage power PWB
Charger brush
CPU (IC5)
TC/Bias ON
PWNSIN
Driver I
C801
Q804 
+24VP 
+24VP
Q806 |
| Q807 |
Q803
Q808
T801
transformer
T802
transformer
MC
CB
Discharge brush
DRUM 
OPC drum
EARTH
| Separation electrode |
TC |
|
| Transfer charger roller |
DC | 100V |
| |
Bias | Supply roller |
| |
| Developing roller |
| Earth sheet |
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