Canon iR C6800 Series Service Manual page 125

Main switch
ON
Scanner motor
(M501)
Scanning lamp
(LA1)
Scanner HP sensor
(PS501)
Shading Shading
position *1 position
Main switch
ON
WMUP
Fixing main heater
(H1)
Fixing sub heater
(H2)
Shift heater
(H3)
Outside heating
roller heater (H4)
Fixing motor
(M4)
Outside heating roller
shift motor (M22)
Drum/ITB motor
(M2)
Developing
rotary motor (M5)
Developing
motor (M2)
Auto adjustment
F-3-5
*1: the fixing main heater and the pressure heater go on alternately.
*2: if the temperature of the fixing roller is 200 deg C, that of the pressure roller is 140 deg C, and that of the external
heating roller is 225 deg C, the alternate activation is ended.
*3: the pressure heater is subject to activation control.
*4: if the temperature of the external roller is 190 deg C or higher, the fixing motor starts up.
*5: the motor rotates and stops for auto adjustment.
*6: the image stabilization control mechanism is executed only if the surface temperature the fixing roller is lower
than 100 deg C.
potential control
primary transfer ATVC
secondary transfer ATVC
D max control
D half control (when the power is turned on with its color print counter reading 500 or higher.
Shading correction
SREADY
Gain adjustment
Offset adjustment
WMUPR
About 510sec
*2
*1
200 degrees
*3
*1
225 degrees
*4
*5
*6
STBY
Shading
position
:forward
:reverse
PSTBY
170 degrees
Chapter 3
3-7