COPYRIGHT
©
2000 CANON INC. 2000 2000 2000 2000 CANON iR5000/iR6000 REV.0 JULY 2000
CHAPTER 4 IMAGE FORMATION SYSTEM
4-6 P
T04-201-01
As part of making service mode settings, potential control may be enabled or disabled; it
may be set for execution 10 min and 60 min after the main power switch is turned on to the
following specifics:
2.1.1 Controlling Potential for Printing/Copying
The machine's potential control consists of potential control for printing and level of po-
tential control for copying.
The mechanism used to control potential for printing uses a standard target potential (VD)
of 420 V to ensure the reproduction of line widths.
Its mechanism used to control potential for copying uses a standard target level of poten-
tial (VD) of 370 V to help limit the consumption of toner.
The potential is controlled at such times as shown below and is of the nature described:
10 and 60 min after main power switch is turned on
Sensitivity potential control in keeping with
changes in drum temperature.
To suit changes in the efficiency of charg-
ing.
At the start of the first job 10 and 60 min
after the main power switch is turned on.
OFF: not executed (default)
Reduced mode: 5 sec (approx.)
Standard mode: 10 sec (approx.)
May be turned off or set to reduced or
standard:COPIER>OPTION>BODY>PO-
CNTMD
OFF
Warm-up
To control potential for copier/printer
mode.
To set coefficient between copier and
printer modes
If the fixing temperature is 150°C or lower
when the main power switch is on.
About 10 sec during warm-up
May be turned on/off:
COPIER>OPTION>BODY>PO-CNT
ON (potential control for both copier and
printer modes)
Purpose
Conditions
Duration
Service
Mode
Default
Purpose
Conditions
Duration
Service
Mode
Default
T04-201-02
Download Free Service Manual at http://printer1.blogspot.com
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