Canon IMAGERUNNER 1670F - Manual (Page 118)

Copies are dirty.
The platen glass or rear side of the ADF/platen glass cover may be dirty.
Clean the platen glass or rear side of the ADF/platen glass cover. (See “Cleaning the
Read Area of the Platen Glass,” on p. 5-15.)
The rollers inside the machine are dirty.
Clean the rollers. (See “Cleaning the Rollers Inside the Main Unit,” on p. 5-16.)
There may be a scratch on the drum unit.
Replace the drum unit. (For details, contact your local authorized Canon dealer.)
Condensation has built up inside the machine.
Allow at least two hours for the machine to adjust to room temperature before
attempting to use it.
The machine may be installed in a location where the floor or foundation is unstable.
Install the machine in a proper location.
Black lines are on the copy.
The read area of the platen glass is dirty.
Clean the read area of the platen glass. (See “Cleaning the Read Area of the Platen
Glass,” on p. 5-15.)
Copies are too dark or too light.
The copy exposure may not be adjusted correctly.
Adjust the copy exposure correctly using the setting in
from the menu. (See
“Common Settings,” on p. 4-4.)
may be set to in from the
menu.
Set to . (See “Common Settings,” on p. 4-4.)
The copy images are partly missing or shaded when you make copies on thick paper.
The or settings in SETTINGS> (from the menu) may not be set correctly.
Select in . (See “Common Settings,” on
p. 4-4.)
Set to . (See “Common Settings,” on p. 4-4.)
Remedy 2
Remedy 1
Cause
Remedy
Cause 2
Remedy
Cause 1
Remedy
Cause
Remedy
Cause 5
Remedy
Cause 4
Remedy
Cause 3
Remedy
Cause 2
Remedy
Cause 1
If Trouble Occurs 6-17
6
T
roub
leshooting
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