Canon LBP 2900 2900i User's Guide

Service Call6-20
Troubleshooting
6
When a Scanner Error or Service Error Appears
If a scanner error or service error appears, cycle the power of the printer using the 
following procedure. This may clear the message.
1Turn the power off, wait for at least 10 seconds, then turn the 
printer on again.
If the message does not reappear, continue using the printer as normal. If the 
message reappears, proceed to the next step.
2Note down the error code displayed in the Printer Status 
Window.
OFF
ON 

Service Call6-21
Troubleshooting
6
3Turn the printer and computer off aa a a, remove the USB cable bb b b, 
and disconnect the power plug from the power outlet 
cc c c.
4Contact your local authorized Canon dealer.
When you contact your Canon dealer, please describe the problems that 
occurred and the error code that you noted down.
a
c
b
a 

Print Quality Problems6-22
Troubleshooting
6
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 given in the 
message.
•In the case of a paper jam, refer to Paper Jams, on p. 6-3.
•If a problem occurs that is not described in this section, none of the remedies solve the 
problem, or you cannot determine the cause of the problem, contact...

Print Quality Problems6-23
Troubleshooting
6
Cause 2 The printer is exposed to direct sunlight or strong light.
Remedy Move the printer to a location that is not exposed to direct sunlight or strong 
light. Alternatively, separate the printer from the source of the strong light.
One portion of a page does not print.
Cause 1 The scale factor is incorrect.
Remedy 1 Clear the checkmark from [Manual Scaling] in the printer driver. When this 
checkbox is cleared, the scaling factor is automatically determined...

Print Quality Problems6-24
Troubleshooting
6
The next page is printed from halfway through the previous page.
Cause The [Line Spacing] or [Lines/Page] settings in the application are not configured 
correctly.
Remedy Update the [Line Spacing] and [Lines/Page] in the application so that data fits 
onto one page and print again. (See Instruction manual for the application.)
Nothing is printed on the paper.
Cause 1 The toner cartridge was installed with the sealing tape still attached.
Remedy Remove the toner...

Paper Problems6-25
Troubleshooting
6
Paper Problems
Paper comes out wrinkled.
Cause 1 Paper is loaded in the multi-purpose tray or manual feed tray at an angle.
Remedy Load the paper in the multi-purpose tray or manual feed tray straight. (See 
Printing on Plain Paper, Heavy Paper, Label Paper, and Transparencies, on p. 
2-13, Printing on Index Card, on p. 2-26, Printing on Envelopes, on p. 2-33, 
Printing on Custom Paper Sizes (Non-Standard Sizes), on p. 2-44.)
Cause 2 The paper is damp.
Remedy Replace...

When Nothing Prints6-26
Troubleshooting
6
When Nothing Prints
Check the following items if nothing prints when you print from an application:
1Check if any error messages are displayed in the Printer 
Status Window.
If there is an error message displayed in the Printer Status Window, follow the 
directions given in the message. If there are no error messages, proceed to the 
next step.
2Print a test page.
Click [Print Test Page] in the [General] sheet in the [Printer Properties] dialog box.
■If the test...

Installation Problems6-27
Troubleshooting
6
Installation Problems
If you cannot install the USB Class Driver and LBP2900/2900i Printer Driver 
properly, use the following procedure to check for problems.
Uninstall the USB Class Driver➞Chapter 6: Uninstalling the USB 
Class Driver (p. 6-30)
Uninstall using the uninstaller➞Chapter 3: Uninstalling the CAPT 
Software (p. 3-72)
Uninstall using the uninstaller➞Chapter 3: Uninstalling the CAPT 
Software (p. 3-72)
Uninstall using the uninstaller➞Chapter 3:...

Installation Problems6-28
Troubleshooting
6
If Uninstallation Fails
If you cannot uninstall the CAPT software using the uninstaller that was created 
during installation, use the following procedure to uninstall the CAPT software from 
[Add or Remove Programs] ([Add/Remove Programs] for Windows 98/Me/2000).
1From the [Start] menu, select [Control Panel], and then click 
[Add or Remove Programs].
For Windows 98/Me/2000: From the [Start] menu, select [Settings] ➞ [Control 
Panel], and then click...

Installation Problems6-29
Troubleshooting
6
3Select the name of your printer, then click [Delete].
4Click [Yes].
The uninstallation process begins. Please wait a moment.
5Click [Exit].
The [Delete Printer] dialog box closes.
6Restart Windows.