Canon Laser Shot Lbp3500 User Guide

							7-26
Troubleshooting
7
Paper Jams
18Close the front cover.
Close the front cover completely.
IMPORTANT
•Make sure that the front cover does not open (make sure that there is no space 
between the front cover and the printer and that the front cover is stable). If the 
front cover is not closed completely, this may result in poor print quality.
•If you cannot close the front cover, check if the toner cartridge is installed properly. 
If you try to close the front cover forcefully, this may result in damage to the printer.
•Do not leave the front cover open for a long time after installing the toner cartridge.
 
						

							7-27Service Call Display
7
Troubleshooting
Service Call Display
When a problem has occurred and the printer does not work properly, the  
(Alarm) indicator (orange) comes on and the following service call appears in the 
Printer Status Window.
When a service call appears, cycle the power of the printer using the following 
procedure. This may clear the message.
1Turn the power OFF, wait for 10 seconds or longer, and then 
turn it ON again.
ONOFF
 
						

							7-28
Troubleshooting
7
Service Call Display
If the message does not reappear, the printer can be used as normal. If the error 
message still appears, proceed to the next step.
2Note down the error code displayed in the Printer Status 
Window.
3Turn the printer and computer OFF aa a a, remove the USB cable 
bb b b, and then disconnect the power plug from the AC power 
outlet 
cc c c.
c
ab
a
 
						

							7-29
Troubleshooting
7
Service Call Display
4Contact your local authorized Canon dealer.
When contacting your Canon dealer, please report the problems and the error 
code that you have noted.
 
						

							7-30Print Quality Problems
Troubleshooting
7
Print Quality Problems
If any problem occurs while you are using the printer, take the following measures 
depending on the symptoms.
IMPORTANT
•If a message appears in the Printer Status Window, follow the directions in the message.
•When a paper jam occurs, see Paper Jams, on p. 7-4.
•If a symptom that is not indicated in this section occurs, if none of the indicated remedies 
do not solve the problem, or if you cannot determine the problem, contact your local 
authorized Canon dealer.
White streaks appear.
Cause 1 The toner cartridge has run out of toner.
Remedy Replace the toner cartridge with a new one. (See Replacing the Toner 
Cartridge, on p. 5-2)
Cause 2 The drum in the toner cartridge has deteriorated.
Remedy Replace the toner cartridge with a new one. (See Replacing the Toner 
Cartridge, on p. 5-2)
Printed pages have white specks.
Cause 1 Appropriate paper is not being used.
Remedy Replace the paper with one that can be used and print again. (See Paper 
Requirements, on p. 2-2)
Cause 2 Paper is damp since the paper has been stored in unsuitable condition.
Remedy Replace the paper with new one and print again. (See Paper Requirements, 
on p. 2-2)
Cause 3 The drum in the toner cartridge has deteriorated.
Remedy Replace the toner cartridge with a new one. (See Replacing the Toner 
Cartridge, on p. 5-2)
 
						

							7-31
Troubleshooting
7
Print Quality Problems
The overall print result is faint.
Cause 1 The setting for [Toner Density] is not appropriate.
Remedy Drag the [Toner Density] slider in the printer driver toward [Dark].
In order to specify the setting for [Toner Density], display the [Detailed Settings] 
dialog box by clicking [Details] in the [Quality] sheet.
Cause 2 [Toner Save] is selected.
Remedy Clear the [Toner Save] check box in the printer driver.
In order to specify the setting for [Toner Save], display the [Detailed Settings] 
dialog box by clicking [Details] in the [Quality] sheet.
The overall print result is dark.
Cause 1 The setting for [Toner Density] is not appropriate.
Remedy Drag the [Toner Density] slider in the printer driver toward [Light].
In order to specify the setting for [Toner Density], display the [Detailed Settings] 
dialog box by clicking [Details] in the [Quality] sheet.
Cause 2 The printer is exposed to direct sunlight or strong light.
Remedy Move the printer to a place where it will not be exposed to direct sunlight or 
strong light. Alternatively, move the strong light source away from the printer.
The print is uneven.
Cause 1 The toner cartridge has run out of toner.
Remedy Replace the toner cartridge with a new one. (See Replacing the Toner 
Cartridge, on p. 5-2)
Cause 2 Paper is too moist or too dry.
Remedy Replace the paper with appropriate one and print again. (See Paper 
Requirements, on p. 2-2)
Cause 3 The toner cartridge has deteriorated or is damaged.
Remedy Replace the toner cartridge with a new one. (See Replacing the Toner 
Cartridge, on p. 5-2)
Front or back of the printed paper has smudge marks.
Cause The fixing roller is dirty.
Remedy Clean the fixing roller. (See Cleaning the Fixing Roller, on p. 5-15)
 
						

							7-32
Troubleshooting
7
Print Quality Problems
A portion of a page is not printed.
Cause 1 The scale factor is incorrect.
Remedy 1 Clear the [Manual Scaling] check box in the printer driver. If the check box is 
cleared, the scaling factor will be set according to [Page Size] and [Output Size] 
automatically.
In order to specify the setting for [Manual Scaling], display the [Page Setup] 
sheet.
Remedy 2 Select the [Manual Scaling] check box in the printer driver, then specify an 
appropriate scale factor according to the paper size to be used.
In order to specify the setting for [Manual Scaling], display the [Page Setup] 
sheet.
Cause 2 The position of the paper is incorrect.
Remedy Load the paper properly. (See Loading Paper in a Paper Cassette, on p. 2-26, 
Loading Paper in the Multi-purpose Tray, on p. 2-45)
Cause 3 A document with no margins was printed.
Remedy 1 The printable area for this printer is the area except for within a 5 mm margin 
(15 mm for envelopes) on all sides of the paper. Create a margin around the 
print data.
Remedy 2 Select the [Print with Upper Left of Sheet as Starting Point] check box in the 
printer driver, then print the document. However, data may be printed with the 
edges missing.
In order to specify the setting for [Print with Upper Left of Sheet as Starting 
Point], display the [Finishing Details] dialog box by clicking [Finishing Details] in 
the [Finishing] sheet.
The printing position is skewed.
Cause 1 [Gutter] is specified.
Remedy Specify [Gutter] in the printer driver to [0].
In order to specify the setting for [Gutter], display the [Gutter Settings] dialog 
box by clicking [Gutter] in the [Finishing] sheet.
Cause 2 Top Margin and Paper Position in the application are not specified properly.
Remedy Specify the settings for Top Margin and Paper Position in the application 
properly. (See the instruction manual supplied with the application)
 
						

							7-33
Troubleshooting
7
Print Quality Problems
Cause 3 The printing position is adjusted in [Printing Position Adjustment] in [Device 
Settings] in the [Options] menu in the Printer Status Window.
Remedy Adjust the printing position in [Printing Position Adjustment] in [Device Settings] 
in the [Options] menu in the Printer Status Window. (See Adjusting the Printing 
Position, on p. 5-18)
The next page is printed from halfway across the previous page.
Cause Line Spacing or Lines/Page in the application is not specified properly.
Remedy Specify the settings for Line Spacing and Lines/Page in the application so 
that data fits in one page, and print again. (See the instruction manual supplied 
with the application)
Nothing is printed on paper.
Cause 1 The toner cartridge was installed with the sealing tape still attached.
Remedy Take the toner cartridge out of the printer, pull out the sealing tape, and reinstall 
the toner cartridge. 
(See Replacing the Toner Cartridge, on p. 5-2)
Cause 2 Multiple sheets of paper were fed at a time.
Remedy Align the paper stack in the paper cassette properly and load it again. (See 
Loading Paper in a Paper Cassette, on p. 2-26, Loading Paper in the 
Multi-purpose Tray, on p. 2-45)
The overall surface of the paper is printed in black completely.
Cause The drum in the toner cartridge has deteriorated.
Remedy Replace the toner cartridge with a new one. (See Replacing the Toner 
Cartridge, on p. 5-2)
Smudge marks of spattering toner appear around the text or patterns.
Cause 1 The paper or the operating environment is inappropriate.
Remedy 1 Replace the paper with one that can be used and print again. (See Paper 
Requirements, on p. 2-2)
Remedy 2 Set [Special Print Mode] to [Special Settings 1] in the printer driver. If this solves 
the problem, set [Special Print Mode] to [Off]. 
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.
 
						

							7-34
Troubleshooting
7
Print Quality Problems
Cause 2 The printer is being used in a high-temperature and high-humidity environment.
Remedy Set [Special Print Mode] to [Special Settings 6] in the printer driver. If this solves 
the problem, set [Special Print Mode] to [Off]. 
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.
A certain portion of text or patterns (the side of a filled-in square diagram that is toward the 
rear edge of the paper (the delivery slot side) when the diagram is printed) comes out faint.
Cause The paper or the operating environment is inappropriate.
Remedy Set [Special Print Mode] to [Special Settings 5] in the printer driver. If this solves 
the problem, set [Special Print Mode] to [Off]. 
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.
Colored lines and text come out faint.
Cause Thin lines or text are being used.
Remedy Select the [Print Colored Text and Lines in Black] check box in the printer driver.
In order to specify the setting for [Print Colored Text and Lines in Black], display 
the [Detailed Settings] dialog box by clicking [Details] in the [Quality] sheet.
Colored text appears to be blurred.
Cause A bold font is being used for the colored text.
Remedy Set [Matching Method] to [Perceptual [Monitor Color Matched]] in the printer 
driver.
In order to specify the setting for [Matching Method], display the [Matching] 
sheet by selecting the [Manual Grayscale Settings] check box in the [Quality] 
sheet, and then clicking [Grayscale Settings].
 
						

							7-35Paper Problems
7
Troubleshooting
Paper Problems
Paper comes out wrinkled.
Cause 1 Paper is loaded in the paper cassette or multi-purpose tray at an angle.
RemedyLoad the paper in the paper cassette or multi-purpose tray straight. (See 
Loading Paper in a Paper Cassette, on p. 2-26, Loading Paper in the 
Multi-purpose Tray, on p. 2-45)
Cause 2 Paper is damp since the paper has been stored in unsuitable condition.
RemedyReplace the paper with new one and print again. (See Paper Requirements, 
on p. 2-2)
Cause 3 Paper is inappropriate.
Remedy Paper may be creased depending on the paper type. Set [Special Print Mode] 
to [Special Settings 3] in the printer driver. If this solves the problem, set 
[Special Print Mode] to [Off]. 
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.
Paper jams occur frequently.
Cause Paper is inappropriate.
Remedy 1 Replace the paper with one that can be used and print again. (See Paper 
Requirements, on p. 2-2)
Remedy 2 Paper jams may occur frequently depending on the paper type. Set [Special 
Print Mode] to [Special Settings 2] in the printer driver. If this solves the 
problem, set [Special Print Mode] to [Off]. 
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.