Canon iR6570 series Service Manual page 600

Chapter 16
Sub-item
MF-A4R
MF-A6R
MF-A4
<CLEANING>
Sub-item
WIRE-CLN
<FIXING>
Sub-item
NIP-CHK
<PANEL>
Sub-item
LCD-CHK
LED-CHK
LED-OFF
16-32
COPIER > FUNCTION > CST
Description
Use it to register the paper width basic value for the manual feed tray.
A4R width: 210 mm; A6R: 105 mm; A4 width: 297 mm
To make fine adjustments after registering a basic value, use the following:
COPIER>ADJUST>CST-ADJ>MF-A4R, MF-A6R, MF-A4.
Procedure
1) Put A4R paper in the manual feed tray, and adjust the size guide to the
width.
2) Select MF-A4R to highlight, and press the OK key so that the machine
executes auto adjustment and register the value.
3) Likewise, repeat steps 1) and 2) for A6R and A4.
T-16-37
COPIER > FUNCTION > CLEANING
Description
Clean all charging wires 5 times (5 trips) all at the same time.
Procedure
1) Select the item to highlight, and press the OK key.
2) See that the notation changes to 'ACTIVE', indicating that the charging
wires are being cleaned.
3) See that the machine stops cleaning automatically. (To stop in the middle,
press the OK key.)
T-16-38
COPIER > FUNCTION > FIXING
Description
Use it to generate printouts for automatic measurement of the fixing nip
width.
Procedure
1) Make about 20 A4 prints.
2) Put A4 plain or recycled paper in the manual feed tray.
3) Select the item to highlight, and press the OK key.
4) See that the paper is picked from the manual feed tray, held in the fixing
nip area, and discharged in about 20 sec.
5) Check the nip width of the discharged paper: if b is from 4.5 to 6.5 mm,
the nip may be considered normal. In the event of a fixing fault or wrinkling
and if the difference between the front b and the rear c is appreciable, go to
step 6) to make adjustments.
6) Loosen the screw found on the side with the narrower nip; then, tighten
the other screw to the same degree (so that the nip width is identical between
front and rear).
T-16-39
COPIER > FUNCTION > PANEL
Description
Use it to check for missing dots in the LCD.
Procedure
1) Select the item, and press the OK key to start. See that the front of the
touch panel starts to go on in the following order: white, black, red, green,
blue.
2) Press the Stop key to end the operation.
Use it to check the activation of the LEDs on the control panel.
Procedure
1) Select the item, an press the OK key to start. See that the LEDs go on in
sequence.
2) Press [LED-off] to end the operation.
Check the LEDs on the control panel.
Procedure
1) Select the item to end the operation for LED-CHK.
Level
1
Level
1
Level
1
Level
1
1
1