Canon FAXPHONE L100, Руководство по обслуживанию, Страница: 153 / 186

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Trouble Shooting > Mechanical Adjustment > Confirming Nip Width
Trouble Shooting > Mechanical Adjustment > Confirming Nip Width
■ Repetitive image defects ruler
Component Distance
between
defects (mm)
Image defects
Dirt Dropouts Dirt on back Loose toner
Photosensitive
drum
About 75 ○ ○
Transfer roller About 39 ○ ○
Fixing film unit About 57 ○ ○ ○
Pressure roller About 56 ○ ○
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Mechanical Adjustment
Confirming Nip Width
Caution :
Be sure to follow the procedures below, otherwise the fixing film or the fixing sleeve
may be damaged.
The nip width of the fixing unit is not adjustable in this printer, however, the incorrect nip width
may cause the faulty fixing.
Follow the procedures below to check the nip width.
1) Prepare an all-black print of A4 size made by the same type of EP Toner cartridge for this
printer before visiting the customer site.
2) Load the printed sheet facing DOWN on the pickup tray.
3) Print a test-page.
4) Turn off the printer when the leading edge of the paper appears in the face-down delivery
slot.
Wait for 60 seconds and open the cartridge door to remove the paper from the printer.
5) Measure the width of the glossy band across the paper and check if it is meeting the
requirements below.
Wasp/Horsethief/Blackrock
• Center (a): 7.7±1.4mm
• Right and left (b, c): 7.7±1.4mm
The center of
the paper of the A4 size
The direction
of the paper feed
c
a
b
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