11.4 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

R9

CPU

VTEMP

AN7

R8

R7

Fig. 11-401

RTemperature/ TH humidity sensor

11

November 2003 © TOSHIBA TEC

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e-STUDIO3511/4511 DRUM RELATED SECTION

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Toshiba 4511, 3511 manual Drum Temperature Detection Circuit, Cpu