Canon Color imageRUNNER C4580 Service Manual - page 263
Chapter 9
9-22
Service Mode:
COPIER > OPTION > BODY > INTROT-1
Use it to change the intervals between sessions of execution of image stabilization control (adjustment set-1) for
initial/last rotation in terms of the number of pages.
Default (at shipment/upon RAM initialization): 100
COPIER > OPTION > BODY > INTROT-2
Use it to change the intervals between execution sessions of image stabilization control (adjustment set-2) for
initial/last rotation in terms of the number of pages.
Default (at shipment/upon RAM initialization): 500
COPIER > OPTION > BODY > INTPPR-1
Use it to change the intervals of execution sessions (adjustment set-1) for image stabilization control between
sheets in terms of the number of pages.
Default (at shipment/upon RAM initialization): 200
COPIER > OPTION > BODY > INTROT-T
Use it to change the intervals of execution sessions for image stabilization control for standby.
Default (at shipment/upon RAM initialization): 10
COPIER > OPTION > BODY > ADJ-LVL
Use it to change the execution mode settings for image stabilization control for a specific number of pages.
Default (at shipment/upon RAM initialization): 0
9.5.3 ATR Control
The machine executes ATR control to maintain a specific image density, which otherwise would change as more
and more toner is used.
The machine measures the concentration of toner and adjusts its supply.
F-9-16
Measures the concentration
of toner inside the developing
assembly at all items
(ATR sensor)
Computes the change in density from 2 sets of
measurements (data)
Forms a sample image
(every specific number of pages)
Verifies the volume of toner to supply
Determines the volume of
toner to be supplied
ATR control
Measures the density of the sample image
(SALT sensor)