Toshiba e-studio281c - Drum Temperature Detection Circuit

e-STUDIO281c/351c/451c © 2005 - 2008 TOSHIBA TEC CORPORATION All rights reserved
DRUM RELATED SECTION
11 - 6
11.5 Drum Temperature Detection Circuit
1) Purpose of the drum temperature detection circuit
Since the photoconductive characteristic of the drum surface varies drastically depending on the
surface temperature of the drum, this circuit detects the temperature of the drum surface to gain the
charging potential according to the environment.
2) Configuration of the drum temperature detection circuit
Fig. 11-3
Engine CPU
Drum thermistor
LGC board
+5.1V
SG
DRTMP