Konica Minolta magicolor 1690MF Service Manual page 64

Theory of Operation Ver. 1.0 Nov. 2008
D. Color printing process
(1) Operation sequence
1. The toner cartridge rack is stationary at the standby position.
2. When a print request is received from the controller, the toner cartridge rack is
rotated and temporarily stopped at the K developing position. The toner cartridge
rack is then rotated again to bring the Y toner cartridge to its developing position.
3. Development of Y is carried out.
4. When development of Y is completed, the toner cartridge rack is rotated to bring
the M toner cartridge to its developing position.
5. Development of M is carried out.
6. Similarly, the toner cartridge rack is rotated and development of C is carried out.
7. Similarly, the toner cartridge rack is rotated and development of K is carried out.
8. When development of K is completed, the toner cartridge rack is rotated in the
opposite direction and brought to a stop at the standby position.
Step 1
C
M
K
Y
Standby position
Step 5
Y M
K C
M Development
Step 2
K Y
C M
Y Development
Rack is rotated
Step 6
M C
Y K
Rack is rotated
+
C Development
12. Developing section
Step 3
K Y
C M
Step 7
C K
M Y
Rack is rotated
+
K Development
Step 4
Y M
K C
Rack is rotated
Step 8
C
M
K
Y
Standby position
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