Canon imageRUNNER ADVANCE C3500 III Series, Service Manual, Page: 817 / 1252

COPIER (Service mode for printer) > OPTION (Specification setting mode) > IMG-MCON
BGE-OFS 2 Fine adj at bckgd adj (bckgd removal)
Detail To make a fine adjustment of the background adjustment (background removal) level which can
be set manually.
Break up the adjustment values into smaller ones when user does not satisfy with the default
adjustment values.
Use Case When color fogging occurs on the output image when copying yellowed blank paper as an original
Adj/Set/Operate Method Enter the setting value (switch negative/positive by -/+ key) and press OK key.
Caution Since the background color is set to be washed out with this mode, not only the background of
yellowed blank paper, but also other light colors (light blue, etc.) are washed out.
Display/Adj/Set Range -15 to 15
Default Value 0
Additional Functions
Mode
Copy> Options> Density> Background Density
BOLD-SEL 1 For R&D
BIN-SEL 2 For R&D
■ IMG-DEV
COPIER (Service mode for printer) > OPTION (Specification setting mode) > IMG-DEV
DRM-IDL 1 Set first idle rotation time in HH Env
Detail To set the idle rotation time to be performed at the beginning of a workday in an HH (high
temperature and high humidity) environment.
Use Case When coarseness occurs on the image at the beginning of a workday
Adj/Set/Operate Method 1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
Caution When 1 is set, startup takes time.
Display/Adj/Set Range 0 to 2
0: OFF, 1: ON (HH environment only), 2: ON (all environments)
Default Value 0
AUTO-DH 1 Set Dmax/Dhalf ctrl exe cndtn: wrmup rtn
Detail To set the condition to additionally execute D-max/D-half control at warm-up rotation after the
machine is not used for 8 hours or more.
When 0 is set, additional execution of D-max/D-half control is not performed.
When 1 is set, additional execution is performed only in an HH (high temperature and high humidity)
environment.
When 2 is set, additional execution is performed regardless of environment.
When 3 is set, warm-up rotation is executed regardless of how long the machine is not used and
D-max/D-half control is additionally executed regardless of environment.
Use Case When uneven density at intervals of the Primary Charging Roller or Secondary Transfer Outer
Roller circumference or density variation occurs on approx. 10 images printed immediately after
the machine is not used for 8 hours or more
Adj/Set/Operate Method Enter the setting value, and then press OK key.
Caution When D-max/D-half control is executed at warm-up rotation, it takes longer time for startup than
usual.
Display/Adj/Set Range 0 to 3
0: Not executed additionally
1: Executed additionally in an HH environment (after the machine is not used for 8 hours)
2: Executed additionally in all environments (after the machine is not used for 8 hours)
3: Executed additionally in all environments (not depending on how long the machine is not used)
Default Value
1
Supplement/Memo
Warm-up rotation is executed automatically at power-on and recovery from sleep mode when the
machine is not used for 8 hours or more regardless of environment.
8. Service Mode
795