Canon FaxPhone L170 Basic Manual page 154

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Copies are too dark or too light.
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The printouts are partly missing or shaded when you make copies on heavy paper.
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The printouts are missing when you make copies on rough paper.
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The edges of copies are dirty when you make copies.
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13
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13-20 Print Quality Problems
Is the machine installed in a stable location?
Install the machine in a proper location. (See "Location" in the "Safety information" on p. v.)
Is the exposure adjusted correctly?
Adjust the exposure correctly using [Exposure]. (See "Adjusting the Exposure (Density)," on p. 10-6.)
Is the machine in the toner saver mode?
Set <TONER SAVER MODE> to "OFF" in <COMMON SETTINGS> of the Menu. (See "5.TONER SAVER MODE," on
p. 15-4.)
Is the paper type set correctly?
Select <HEAVY PAPER> or <HEAVY PAPER H> in <PAPER TYPE> in <PAPER SETTINGS> of the Menu. (See "Loading
Paper," on p. 4-3.)
Is the paper type set correctly?
Select <TRANSPARENCY> in <PAPER TYPE> in <PAPER SETTINGS> of the Menu. (See "Loading Paper," on p. 4-3.)
Is the paper size set correctly?
Specify the appropriate paper size in <PAPER SIZE> in <PAPER SETTINGS> of the Menu. (See "Loading Paper," on
p. 4-3.)
Is <FREE SIZE> selected for the paper size?
Specify the appropriate size in <VERTICAL SIZE> or <HORIZONTAL SIZE> in <FREE SIZE> in <PAPER SETTINGS> of
the Menu. (See "Specifying the Paper Size," on p. 10-2.)