Color Shift Detection; Simple Correction; Full Correction - Minolta magicolor 7300 Service Manual

FrameMaker Ver.6E (PC) magicolor 7300 MECHANICAL/ELECTRICAL
02.08.08
7-5.

Color Shift Detection

• Patterns are produced on the surface of the Transfer Belt and the Registration Sensors
detect any color misalignment on the patterns.
(1)

Simple correction

• One pattern is produced in the main scanning and sub-scanning directions on the Trans-
fer Belt.
• The pattern is the value determined by applying the last degree of correction.
Registration Sensor (PC23)
Bk C M Y
Pre-pattern
AIDC Sensor (PC22)
(2)

Full correction

• Two patterns are produced in the main scanning and sub-scanning directions on the
Transfer Belt twice.
• The pattern is the value determined by applying the last degree of correction.
Registration Sensor (PC23)
Bk C M Y
Pre-pattern
AIDC Sensor (PC22)
Main scanning simple pattern
Sub-scanning pattern
Bk C M Y Bk C M Y
Main scanning pattern
Sub-scanning pattern
Bk M
Bk C
M-30
Paper
4134M510AA
Paper center
Bk Y
4134M509AA