7
January 2005 © TOSHIBA TEC
e-STUDIO170F Circuit Description
7 - 75
7.7
HVPS
This section describes the functions of the HVPS.
Fig.7-56
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.
+24V2
PG
Main PBA
HVPS
Transfer roller
C_H/L_REM
3
8
12
Drum unit
Toner cartridge
Development
sleeve roller
IC60
Transistor
arrays
C±PWM
24
9
B±PWM
22
6
VSS_H/L_REM
4
5
7
3
2
4
10
14
15
13
3
4
7
10
T±MON±V
93
T±MON±I
95
B±MON
89
C±MON
91
IC37
Engine-CPU
11
PG
8
+5V1
1
CN15
CN1
C
B
SS
BL
T
2
T±VR
1
Collecting blade
Regulating blade
Precharging film
Drum
Rotary brush
Summary of Contents for ESTUDIO170F
Page 2: ... 2005 TOSHIBA TEC CORPORATION All rights reserved ...
Page 192: ...e STUDIO170F Function Settings January 2005 TOSHIBA TEC 4 132 ...
Page 214: ...e STUDIO170F Mechanical Description January 2005 TOSHIBA TEC 5 22 ...
Page 308: ...e STUDIO170F Circuit Description January 2005 TOSHIBA TEC 7 78 ...
Page 372: ...e STUDIO170F Removal Replacement Adjustment January 2005 TOSHIBA TEC 8 64 ...
Page 490: ...e STUDIO170F Appendix January 2005 TOSHIBA TEC 12 8 ...
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