Device Log List; Adjustment Of Fixing System; Nip-Width Specifications - Canon LBP6670dn Series Service Manual

5
Trouble Shooting > Trouble Shooting > Adjustment of Fixing System > Nip-width specifications

Device Log List

Print jam and error logs.
NOTE: Method to display the test print
It appears in the menu by pressing [Status Monitor/Cancel key] + [Utility]
simultaneously.
Jam log list
Log1
Print 5 logs at a maximum.
Jam log list stored in the controller
Log2
Print 5 logs at a maximum.
Log3 Error log list
Alarm log list
Log4
Since there is no alarm code for this machine, alarm log list is not printed.
5 Trouble Shooting > Trouble Shooting > Adjustment of Fixing System > Nip-width specifications
Purpose of use

Adjustment of Fixing System

■ Nip-width specifications

The nip-width of the fixing unit is not adjustable in this printer, however the improper nip-width
may cause the poor fixing.
Follow the procedures below to check the nip width.
1) Prepare an all-black print of letter size that is printed with the cartridge for this printer
beforevisiting the user.
2) Load the printed sheet facing UP in the printer cassette.
3) Open the face-up cover.
4) Print a Testprint Z.
5) Measure the width of the glossy band across the paper and check if it meets the
requirements below:
T-5-2
6) Turn off the power switch when the leading edge of media comes out of the face-up
delivery slot.Wait for 20 seconds and turn on the power switch. Then open the jam removal
cover and pullthe paper out.
• Center (a): 6 to 9 mm
• Left (b): 6 to 9 mm
• Right (c): 6 to 9 mm
Media feed direction
c
15mm
Center of
a
letter sized paper
15mm
b
5-3
F-5-2
5-3