Canon Color imageRUNNER C5180 Series, Service Manual

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Chapter 8
8-16
F-8-14
8.3.5.2 Timing of Color Displacement Detection/Correction
The machine detects/corrects color displacement at the following timing:
- during warm-up after the main power switch is turned on
- during warm-up after jam clear
- during warm-up after return from sleep
- during warm-up after replacement of the drum unit (not when the toner container is replaced)
- during warm-up when low-power mode is turned on after opening/closing of the cover while the machine is
in low-power mode
- 10 hr after the machine has been left alone in standby state
- during quick correction (auto gradation correction)
- after sheet-to-sheet auto correction when 300 sheets (small-size, equivalent in single-sided) have been fed
continuously
- during last rotation auto correction at time of counter increments occurring after intermittent jobs of 300 pages
(small-size, equivalent of single-sided)
- in response to changes in the environment
- when replacing the toner cartridge
Y
M
C
Bk
Y
M
C
Bk
Reader for individual
color patterns
LED
Photosensor