Canon LBP-5100 User Manual page 405

IMPORTANT
Normally, use the printer with [Special Print Mode] set to [Off]. Set [Special Print Mode] to
[Special Settings 5] only when this problem occurs.
Thin streaks appear on the top or rear edge portion of the printed paper.
Cause
Remedy 1 Set [Special Print Mode] to [Special Settings 3] in the printer driver.
IMPORTANT
Normally, use the printer with [Special Print Mode] set to [Off]. Set [Special Print Mode] to
[Special Settings 3] only when this problem occurs.
Remedy 2 Replace the paper with one whose package has just been opened and print
7
Front or back of the printed paper has smudge marks.
Cause
Remedy
Smudge marks of spattering toner appear around the text or patterns.
Cause 1
Remedy
Cause 2
Remedy
IMPORTANT
Normally, use the printer with [Special Print Mode] set to [Off]. Set [Special Print Mode] to
[Special Settings 3] only when this problem occurs.
7-28 Print Quality Problems
Data in halftones was printed in a low-humidity environment.
In order to specify the setting for [Special Print Mode], display the [Advanced
Settings] dialog box by clicking [Finishing Details] in the [Finishing] sheet, and
then clicking [Advanced Settings] in the [Finishing Details] dialog box.
Alternatively, when you print the other side of paper previously printed by this
printer, selecting the [Print on the Other Side] check box may alleviate poor print
quality.
In order to specify the setting for [Print on the Other Side], display the [Paper
Source] sheet.
again. (See "Paper Requirements," on p. 3-2)
The fixing roller is dirty.
Clean the fixing roller. (See "Cleaning the Fixing Roller," on p. 6-22)
Paper is inappropriate.
Replace the paper with one that can be used and print again. (See "Paper
Requirements," on p. 3-2)
The printer is being used in a low-humidity environment.
Set [Special Print Mode] to [Special Settings 3] in the printer driver.
In order to specify the setting for [Special Print Mode], display the [Advanced
Settings] dialog box by clicking [Finishing Details] in the [Finishing] sheet, and
then clicking [Advanced Settings] in the [Finishing Details] dialog box.