Canon imageRUNNER C1335 Series Service Manual page 531

COPIER> OPTION> IMG-DEV
TNENDCNT Setting of number of toner level check
Details To set the number of times to execute the toner level check sequence.
As the value is larger, the accuracy in toner level detection is increased
because the toner level is checked more frequently, but downtime is
increased.
Use case • When the user pointed out that the actual toner level is much higher
than the estimated toner level
• When the amount of downtime is pointed out by the user
Adj/set/operate method Enter the setting value, and then press Start key.
Caution Do not use this when the machine is operating correctly.
Display/adj/set range 1 to 5
1: 1 time, 2: 2 times, 3: 3 times, 4: 4 times, 5: 5 times
Unit 1 time
Default value 2
D-PTN Set of 47/96mm horizontal line prev mode
Details To form dot patterns to control the occurrence of horizontal lines when
they appear at 47/96 mm intervals.
Use case When horizontal lines appear at 47/96 mm intervals
Adj/set/operate method Enter the setting value, and then press Start key.
Caution Do not use this when the machine is operating correctly.
Display/adj/set range 0 to 2
Default value 1
ADJ-VPP3 Adj of developing AC bias Vpp: other ppr
Details To adjust Vpp of the developing AC bias at the time of printing with other
types of papers.
As the value is incremented by 1, Vpp changes by 0.5 kV.
Decrease the value when fogging/bias leak/high density occurs.
Use case When an image failure (carrier adherence, ring marks, etc.) occurs
Adj/set/operate method 1) Enter the setting value, and then press Start key.
2) Execute Auto Adjust Gradation (Full Adjust).
Caution If the value is too small, the contrast becomes weak.
Display/adj/set range 0 to 5
0: +/-0 V, 1: -100 V, 2: -200 V, 3: -300 V, 4: -400 V, 5: -500 V
Unit 100 V
Appropriate target value 0
Default value 0
Related service mode COPIER> OPTION> IMG-DEV> ADJ-VPPN, ADJ-VPPN
8
Service Mode > COPIER > OPTION > IMG-DEV
8 Service Mode > COPIER > OPTION > IMG-DEV
COPIER> OPTION> IMG-DEV
DV-RT-KP ON/OFF fog prevention: clr/B&W mix job
Details To set ON/OFF of fogging prevention mode when fogging occurs on
the single Bk image at a mixed job including color printing and B&W
printing.
When fogging occurs, set 1. Fogging is reduced by making the
Developing Assemblies of Y, M, C colors driven in single Bk mode to
apply the developing AC high voltage.
Use case When fogging occurs on the single Bk image at a mixed job including
color printing and B&W printing
Adj/set/operate method Enter the setting value, and then press Start key.
Caution When 1 is set, the life of Developing Assemblies of Y, M and C becomes
slightly shorter.
Display/adj/set range 0 to 1
0: OFF, 1: ON
Default value 0
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T-8-39
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