Canon NP6045 Service Manual page 46

CHAPTER 2 BASIC OPERATION
WMUP
(warm up)
INTR
(initial
rotation)
WAIT
(wait)
CNTR1
(control
rotation 1)
CNTR2
(control
rotation 2)
LSTR
(last rotation)
STBY
2-6
COPYRIGHT © 1997 CANON INC.
Period
From when the
power switch is
turned ON until the
surface temperature
of the fixing assem-
bly upper roller
°
reaches 195 C.
From the end of
WMUP until
CNTGR1 starts
after the surface
temperature of the
fixing assembly
upper roller has
°
reached 195 C.
For about 5 sec
after the end of
INTR.
For about 5 sec
after the end of
CNTR1.
While the photosen-
sitive drum makes a
single rotation.
Until the Copy Start
key is pressed or
the power switch is
turned OFF after
the end of LSTR.
Table 2-101
Function
• Waits until the
fixing assembly
warms.
• Evens out the sur-
face temperature
of the fixing
assembly roller.
• Discharges copy
paper, if any.
Measures the drum
surface potential
VD.
Measures the drum
surface potential
VL.
Cleans the surface
of the drum as post-
treatment (removes
charges).
• Waits for a press
on the Copy Start
key or other
operation key.
CANON NP6045 REV. 1 MAR. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Remarks
• If the surface temper-
ature of the fixing
°
roller is 100 C or less
when the power
switch is turned ON,
the primary, pre-
transfer, separation,
and transfer charging
wires are cleaned.
• The lens moves to
Direct position (A4
width, 297 mm).
A bias value (DC
component) of the
developing bias for
copying is deter-
mined according to
the measurements
taken of VL2.
• The indications on
the control panel
switch to standard
mode 2 min after
the end of LSTR.
• Copying will start if
the Copy Start key
was pressed after
placing an original
during the wait
period (auto start).