Manual Canon MF4450 Image Class (page 147 of 164) (English)

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Troubleshooting

<Cause 1> Paper is too moist or Too dry.

Solution

Replace the paper with new paper in an unopened package.

“Paper Requirements” (→P.2-6)

<Cause 2> Toner is nearly out.

Solution

To view the solution, refer to the following.

“Replacing the Toner Cartridge” (→P.8-10)

<Cause 3> The drum in the toner cartridge is deteriorated.

Solution

Replace the toner cartridge with a new one.

“Replacing the Toner Cartridge” (→P.8-10)

<Cause 4> Unevenness may appear when thin lines are printed.

Solution

Change the <Special Mode J> setting to <On> from the operation panel.

e-Manual → Maintenance → Special Mode

* If you use this mode, the following problems may occur.

• The output is less fine.

• Toner smears even on unnecessary parts.

• Toner consumption increases.

White Specks Appear

Perform one of the following solutions according to the cause.

<Cause 1> Appropriate paper is not being used.

Solution

Replace the paper with which can be used with this printer.

“Paper Requirements” (→P.2-6)

<Cause 2> Damp paper is used.

Solution

Replace the paper with new paper in an unopened package.

“Paper Requirements” (→P.2-6)

<Cause 3> The drum in the toner cartridge is deteriorated.

Solution

Replace the toner cartridge with a new one.

“Replacing the Toner Cartridge” (→P.8-10)

<Cause 4> When you print a document of highly contrasting density, white specks may appear on the outlines of the text or

images.

Solution

Change the [Special Print Mode] setting to [Special Settings 2] from the printer driver.

e-Manual → Maintenance → Special Mode

* When [Special Settings 2] is selected, printing density is lower than when [Off] or [Special Settings 1] is selected.

Also, text or lines may be less clear.

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Canon MF4450 Image Class Manual

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