Canon iR4570 Series Service Manual page 810

Chapter 16
Sub-item
NIP-CHK
<PANEL>
Sub-item
LCD-CHK
LED-CHK
LED-OFF
16-50
T-16-36
COPIER > FUNCTION > FIXING
Making output for measuring the fixing nip width automatically
<Operating procedure>
1) Register Plain Paper or Recycled Paper for the manual feed tray.
(User mode: Setting Common Specifications>Registering Paper Type).
2) Place plain paper or recycled paper of the A4 (LTR) size on the
manual feed tray.
3) Select this service mode and press the OK key (to feed paper from
the manual feed tray).
4) The fed paper is held once by the fixing roller and ejected after about
10 seconds.
5) Check that the nip width of the ejected paper conforms to the
standard.
Note: This machine does not allow nip width adjustment. This item is
used for nip width checking only.
T-16-37
COPIER > FUNCTION > PANEL
Description
Checking the LCD display for missing dots
<Operating procedure>
1) Select this item and press the OK key to start operation. The front of
the panel lights repeatedly in order of white, black, red, green, and blue.
(Check this lighting.)
2) Press the Stop key to terminate the operation.
Checking LED lighting in the operating section
<Operating procedure>
1) Select this item and press the OK key to start operation. The LED
lamps light sequentially.
2) Press LED-OFF to terminate the operation.
Checking LED lighting in the operating section
<Operating procedure>
1) Select this item to terminate LED-CHK operation.
Description Level
1
Level
1
1
1