Canon NP-1015 Service Manual page 75

Note:
a and c are the dimensions 15mm (0.6")
from each edge.
Table 4-l
a. Measuring the nip width
If the rollers are cool, wait 15 minutes
beyond when the copy START indicator
begins glowing green, make 20 copies,
then measure the nip width.
b. Measuring procedure
Raise the copyboard cover and make an
A3 Ledger size solid black copy.
When the leading edge of the copy
paper first appears at the delivery port,
set the power switch OFF, and open the
front door and the paper delivery unit.
Turn the fixing unit knob very slightly
counterclockwise stop it in that position
for 15 seconds, then turn the knob
again to deliver the paper completely.
Measure the width of the toner area
with a glossy surface, as shown in
Figure 4-76.
6. Installing the Thermistor
Confirm that the sensor surface of the
thermistor is touching the surface of the
upper fixing roller evenly.
For reference:
There is no need to adjust the position of
the thermistor.
If the thermistor is not touching the upper
fixing roller evenly, check if the thermistor
spring is deformed.
Figure 4-77
7. Installing the Thermoswitch
Confirm that the sensor surface of the
thermoswitch is touching the surface of the
upper fixing roller evenly.
For reference:
There is no need to adjust the position of
the thermoswitch. If the thermistor is not
touching the upper fixing, roller evenly,
check if the thermoswitch spring is
deformed.
Figure 4-78
COPVAIGHT 0 1988 CANON INC.
CAHON HP4015/1215S AN.0 OCT. 1988 PAINTEC IN JAPAN IlMPAlMt AU JAPONI
4 -23