Mar. 1999 © TOSHIBA TEC
13 - 7
6570/5570 CLEANER
13.4.4
Configuration
•
Toner adhesion amount sensor
Emits light corresponding to the light intensity control voltage onto the drum,
and outputs a voltage corresponding to the reflected light intensity of the drum
or the toner image on the drum.
•
D/A converter
Outputs the light source intensity control voltage.
•
Laser optical system
Exposes the test pattern for forming the toner image.
•
A/D converter
Converts the voltage values output from the sensor to digital values before they
are read.
•
Image formation system
Executes the charging, exposure and developing processes.
•
MCPU
Executes steps [1] to [7] described in 13.4.3.
Reflected light
intensity signal
Light source
intensity signal
Image Formation Process
Photosensitive
drum
Test pattern
Toner adhesion
amount sensor
A/D
D/A
MCPU
Various image
formation conditions
Summary of Contents for 4580
Page 1: ...SERVICE MANUAL DIGITAL PLAIN PAPER COPIER 8070 6570 5570 4580 ...
Page 231: ...6570 5570 DEVELOPER UNIT 12 28 Mar 1999 TOSHIBA TEC 3 Draw out the toner filter ...
Page 252: ...8070 6570 5570 4580 FUSER UNIT 14 6A Mar 1999 TOSHIBA TEC ...
Page 369: ...8070 6570 5570 4580 ADF 16 78 Mar 2000 TOSHIBA TEC 16 13 PC Board 1 PWA F LGC 794 ...
Page 370: ...Mar 2000 TOSHIBA TEC 16 79 8070 6570 5570 4580 ADF 2 PWA F SEN 794 ...
Page 374: ...Mar 1999 TOSHIBA TEC 18 1 6570 5570 PC BOARD 18 PC BOARD 1 PWA F SYS 300 ...
Page 375: ...6570 5570 PC BOARD 18 2 Mar 1999 TOSHIBA TEC 2 PWA F MTB 300 ...
Page 376: ...Mar 1999 TOSHIBA TEC 18 3 6570 5570 PC BOARD 3 PWA F LGC 300 ...
Page 377: ...6570 5570 PC BOARD 18 4 Mar 1999 TOSHIBA TEC 5 PWA F MOT 300 4 PWA F ADU 300 ...
Page 378: ...Mar 1999 TOSHIBA TEC 18 5 6570 5570 PC BOARD 6 PWA F SLG 300 7 PWA F SDV 300 ...
Page 379: ...6570 5570 PC BOARD 18 6 Mar 1999 TOSHIBA TEC 8 PWA F PLG 300 ...