Hvps - Toshiba e-STUDIO170F Service Manual

7.7

HVPS

This section describes the functions of the HVPS.
Main PBA
VSS_H/L_REM
4
B±PWM
22
C_H/L_REM
3
C±PWM
24
IC37
Engine-CPU
1
T±MON±V
93
T±MON±I
95
89
91
The HVPS generates stable high voltage from +24V supplied from the LVPS and delivers it to the trans-
fer roller, the drum, rotary brush and pre-charging film in the drum unit and the development sleeve
roller, collecting blade and regulating blade in the toner cartridge. It is connected to CN15 on the Main
PBA.
January 2005 © TOSHIBA TEC
+24V2
+5V1
12
1
11
PG
4 13 5
IC60
2 15 6
7 10 8
Transistor
3 14 9
arrays
8
PG
T±VR
2
3
4
B±MON
7
C±MON
10
Fig.7-56
7 - 75
Toner cartridge
HVPS
e-STUDIO170F Circuit Description
Drum unit
Drum
Rotary brush
Precharging film
Development
sleeve roller
Collecting blade
Regulating blade
Transfer roller
7