Canon printer PIXMA MP800R User Manual

Chapter 12 149Troubleshooting
„When You Connect to a Computer Running Windows XP, the Screen 
Shows the Warning Message “This device can perform faster” or “High-
SPEED USB Device Plugged into non-High-SPEED USB Hub”
Problems Scanning
„Scanner won’t work
„ScanGear MP won’t start
CauseAction
You connect to a computer that does 
not support USB 2.0 Hi-Speed.Your environment is not fully compatible with USB 2.0.
See “Printing Speed is Slow / USB 2.0 Hi-Speed Connection Does Not 
Work” on page 148....

150Chapter 12Troubleshooting
Scanner is not selected in the 
application software.In the application software, select this machine in [Select Source] or 
[Import] under the [File] menu.
Example: ArcSoft PhotoStudio
*Display may differ depending on your operating system.
If you are using an older application software, the menu item may be 
named [Select TWAIN-compliant device] instead of [Select Source].
The feature of the application 
software does not support TWAIN.Start ScanGear MP from within a TWAIN...

Chapter 12 151Troubleshooting
„Cannot display preview
„Computer stops operating during scanning
„Scan quality is poor (Poor image displayed on the monitor)
CauseAction
An error message “Release the lock 
switch” appears and the machine 
fails to preview.Close the application softwares, disconnect the USB interface cable from 
the scanner and set the Scanner Lock Switch to the release position. Then 
reconnect the USB interface cable to the computer. For details on 
releasing the Scanner lock, refer to...

152Chapter 12Troubleshooting
„Parts of image missing or surrounded by extra white areas
„Trouble scanning with Multi-Scan or Multi-Crop function
„Slow scanning speed
„“There is not enough memory.” message is displayed
CauseAction
Scan area was specified larger than 
the original.Specify the scan area appropriately.
If you click the Auto crop button of the ScanGear MP, the scan area is 
adjusted automatically to match the size of the original. When scanning an 
original surrounded by white borders such as...

Chapter 12 153Troubleshooting
„Scanned image not displayed properly
„Trouble scanning with MP Navigator
CauseAction
Scanned image prints out enlarged 
(reduced).Set the printing size in the application software.
Example: ArcSoft PhotoStudio
1. With the image in the selected state, click the [File] menu and select 
[Print].
2. Move the print size slider left or right in the Print dialog to adjust the 
printing size. The preview image to the left will change size accordingly.
Scanned image enlarged...

154Chapter 12Troubleshooting
„Image position and size incorrect when scanning from the machine’s 
operation panel
„Trouble scanning over a wireless or wired LAN/“Cannot communicate 
with scanner.” appears on the screen when using over a wireless or 
wired LAN
CauseAction
MP Navigator settings do not match 
the originals.Set the MP Navigator [Document Type] and [Document Size] to match 
those of the originals being scanned. For more information, refer to the 
Scan Guide.
CauseAction
Scanner driver...

Chapter 12 155Troubleshooting
„Trouble scanning from the machine’s Operation Panel over a wireless 
or wired LAN
The access control is set to the 
machine.Print out the network setting information and verify if the access control 
with IP address or MAC address is enabled on the machine. For details on 
printing the network setting information, see “Printing Out Network 
Setting Information” of “Changing and Confirming Network Settings” in 
theNetwork Guide.
If the machine is configured to use the access...

156Chapter 12Troubleshooting
Cannot Scan Films
„Thumbnail Display does not display correctly after previewing
„Cannot obtain a clean scan, colors scan incorrectly
Canon IJ Network Scan Utility is 
disabled.Confirm that the Canon IJ Network Scan Utility is enabled.
Right-Click the Canon IJ Network Scan Utility icon on the task tray and 
enable it.
If the Canon IJ Network Scan Utility icon is not displayed on the task tray, 
click [Start], select [All Programs] (or [Programs]), [Canon IJ Network...

Chapter 12 157Troubleshooting
„Image becomes too dark or too bright when cropping frame is moved, 
expanded or contracted
„Trouble scanning with MP Navigator
„Frames are not detected correctly
CauseAction
Changing the size or position of the 
cropping frame selects 
inappropriate color data.Perform the following procedures in Advanced Mode in ScanGear MP.
1. Click [Preview] to rescan the preview image.
2. Confirm that the display mode is set to [Thumbnail Display].
If the display mode is set to Thumbnail...

158Chapter 12Troubleshooting
An Error Message Appears on the Screen
„Service Error 5100 is Displayed
„Writing Error/Output Error/Communication Error in USBnnn or 
MPUSBPRNnn (“n” represents a number)
CauseAction
Movement of the Print Head Holder 
is blocked.Clear the paper jam or foreign object that is preventing the Print Head 
Holder from moving, cancel printing from your computer, then turn off the 
machine and turn it back on again.
CauseAction
Machine is not ready. Ensure that the lamp on the...