Canon ImageRunner iR8500 Series, Service Manual, Page: 965 / 1122

Chapter 17
17-121
<CLEANING>
T-17-158
<FIXING>
T-17-159
<PANEL>
C3-STMTR
C3-A4R
C4-STMTR
C4-A4R Use it to register a paper width basic value for the cassette 3/4.
STMTR width: 139.5 mm, A4R width: 210 mm
1
To make find adjustments after registering the basic value, execute
the following: ADJUST>CST-ADJ>C3-STMTR, C3-A4R, C4-STMTR, C4-
A4R.
<Using the Mode>
1) Place STMTR paper in the cassette, and see the side guide plate to
STMTR width.
2) Select C3-STMTR (C4-STMTR), and press the OK key.
- The machine performs auto adjustment and stores the value.
3) Likewise, repeat steps 1) and 2) to enter a basic value.
MF-A4R
MF-A6R
MF-A4 Use it to enter a paper width basic value for the manual feed tray.
A4R width: 210 mm, A6R width: 105 mm, A4 width: 297 mm
1
To make fine adjustments after registering the basic value, execute the
following: ADJUST>CST-ADJ>MF-A4R, MF-A6R, MF-A4.
<Using the Mode>
1) Place A4R paper in the manual feed tray, and set the side guide to A4R
width.
2) Select MF-A4R, and press the OK key.
- The machine performs auto adjustment and registers the value.
3) Likewise, repeat steps 1) and 2) for A6R and A4.
COPIER > FUNCTION > CLEANING
Sub-item Description Level
WIRE-CLN Use it to execute auto cleaning of the charging wire 5 tines continuously
(round trip).
1
If you have replaced the primary charging wire or the transfer charg-ing
wire, be sure to execute this mode.
<Using the Mode>
1) Select the item, and press the OK key.
2) See that the machine performs auto cleaning of the charging wire 5
times continuously.
3) See that the machine automatically stops after cleaning.
COPIER > FUNCTION > FIXING
Sub-item Description Level
NIP-CHK Use it to generate output for measuring the fixing nip width.
1
<Using the Item>
1) Make about 20 A4 prints using the test sheet.
2) Place A4 paper in the tray.
3) Select the item to highlight, and press the OK key.
- The paper will be picked up and is stopped between the fixing rollers once, and then
will be delivered in about 20 sec.
4) Measure the width of the area shaded in the figure.
a and b are measurements at 10 mm from either edge of paper.
COPIER > FUNCTION > CST
Sub-item Description Level
Feed
direction
Standard:
|a-c|=0.5mm or less
Standard:
9.0mm±0.5mm
c
a
b
Middle of paper