Canon printer PIXMA i850 Series User Manual

							Cannot Install the Printer Driver
121
Troubleshooting
Cannot Install the Printer Driver
nFollow the installation procedure correctly.
Install the printer driver carefully following the procedures described in the 
Quick Start 
Guide
.
If the printer driver was not installed correctly, reinstall it. If you are using Windows, 
delete the printer driver before reinstalling it.
áUninstalling Printer Drivers
Note
äIf the Installer was forcibly terminated due to an error in Windows, Windows 
may be unstable and this will prevent the printer driver from being installed. 
Restart the computer before reinstalling the printer driver.
nClose any other applications before installation.
Sometimes the printer driver cannot be installed because another application is running. 
						

							Cannot Install the Printer Driver
122
Troubleshooting
nIf the Installer for the printer driver does not start up automatically when you insert 
the 
Setup Software & UserÕs Guide CD-ROM, open the My Computer window, and 
then double-click the CD-ROM icon. 
Note
äIf you are typing in the file name, you must specify the CD-ROM drive letter 
and the installation program (MSetup.exe). The CD-ROM drive letter is 
computer dependent.
nConÞrm that there are no problems with the 
Setup Software & UserÕs Guide 
CD-ROM
.
In Windows, use Windows Explorer to ensure that the CD-ROM can be read. In a 
Macintosh, check that the CD-ROM icon is visible. If there is a problem with the 
CD-ROM, contact a Canon service representative.
Windows 
						

							Print Quality is Poor or Contains Errors
123
Troubleshooting
Print Quality is Poor or Contains Errors
¥Cannot Print to End of Job
¥Colors are Unclear
¥Printing is Blurred/Colors are Wrong
¥Straight Lines are Misaligned
¥Printed Paper Curls or Ink Blots
¥Back of Paper is Smudged
¥Printed Surface is Scratched
¥White Streaks
¥Colors are Uneven or Streaked 
						

							Print Quality is Poor or Contains Errors
124
Troubleshooting
Cannot Print to End of Job
nConÞrm the Page Size setting matches the size of the paper loaded in the printer.
First, check the Page Size setting in the application.
Then check the Page Size setting in the Printer Properties dialog box for Windows or the 
Page Setup dialog box for Macintosh.
Note
äWhen using an ECP printer port in Windows, you may not be able to print 
due to the computer environment. For details, refer to Problems Unique to 
Windows.
nCheck the amount of the space on the hard disk.
You may need to increase the amount of free space by deleting any unnecessary Þles.
nCheck the size of the print data. For Windows XP and Windows 2000, if the size of 
the data is too large, part of it may be lost. When the spool format is EMF, follow 
the procedure below.
1Open the Printer Properties Dialog Box.
2On the Main tab, select Custom as the Print Quality setting, and Click 
Set... 
						

							Print Quality is Poor or Contains Errors
125
Troubleshooting
3Click Reduce spool data size.
Note
äWhen Reduce spool data size is set, the print quality may be degraded. 
						

							Print Quality is Poor or Contains Errors
126
Troubleshooting
Colors are Unclear
nConÞrm the Media Type setting in the printer driver matches the type of paper 
loaded in the printer.
If you are printing a photograph or an illustration from a Windows environment, also 
increase Print Quality on the Main tab.
If you are working in a Macintosh environment, select Photo or Graphic for the Print 
Mode in the Print dialog box.
nConÞrm the speciÞed ink tank is installed.
When an ink tank runs out of ink, replace it with a new one.
Note
äPrinted colors may not match screen colors perfectly due to basic 
differences in the methods used to produce colors. Color control settings 
and environmental differences can also affect how colors appear on the 
screen. 
						

							Print Quality is Poor or Contains Errors
127
Troubleshooting
Printing is Blurred/Colors are Wrong
nEnsure that the clear Þlm is completely removed from around the ink tank.
nEnsure that the ink tanks snap into place when you install them.
nIf a speciÞc color does not print, check whether the corresponding ink tank is 
empty. Replace if necessary.
nPrint the nozzle check pattern to ensure that ink is output correctly.
If the nozzle check pattern does not print correctly, clean the print head.
áPrinting the Nozzle Check Pattern
áPrint Head Cleaning
If the problem is not resolved after cleaning the print head several times, the print head 
may be worn out. Contact a Canon service representative.
Note
äAlways ensure you dispose of the protective cap and protective tape from a 
print head.
nEnsure you are printing on the correct side of the media.
You can only print on one side of certain media.  
						

							Print Quality is Poor or Contains Errors
128
Troubleshooting
Straight Lines are Misaligned
nAlign the print head.
Ensure you align the print head every time you install a new print head.
Windows
1Open the Printer Properties dialog box.
2Click the Maintenance tab.
3Click Print Head Alignment.
Follow the instructions on the screen. 
						

							Print Quality is Poor or Contains Errors
129
Troubleshooting
Macintosh
1Open the Page Setup dialog box.
2Click Utilities.
3Select Test Print from the pull-down menu, and then click Print Head 
Alignment.
Follow the instructions on the screen. 
						

							Print Quality is Poor or Contains Errors
130
Troubleshooting
nIn the printer driver settings, select a higher print quality setting.
Windows
1Open the Printer Properties dialog box.
2On the Main tab, click High for the Print Quality setting.
Macintosh
1Open the Print dialog box.
2For Print Mode, select Manual and then click Details.
3Click the Quality icon and then drag the Print Quality slide bar to the Fine 
end.