Troubleshooting
An Error Message Appears on the Screen
Problem | Possible Cause | Try This |
Error Writing/Output to USBnnn or MPUSBPRNnn
Printer not ready | The POWER lamp will flash green when the printer is warming up or when a print | |
| job is being sent to the printer. It will glow a steady | |
| is ready for use or when a print job is completed. | |
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Paper is not loaded | Load paper and press the RESUME/CANCEL button. | |
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Faulty connection | Ensure that the printer cable is securely connected to the computer. | |
| Note | If you are using a switching hub or other device, disconnect the |
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| printer and reconnect it directly to the computer and try printing |
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| again. |
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| If successful, the problem may have been with the device. |
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| There could also be a problem with the cable(s). Replace the |
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| cable(s) and try printing again. |
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Printer Port settings | Select the destination port as follows: | |
and printer | • When connected to the computer with a USB cable | |
interface do not | Confirm that the destination Printer Port is set to MPUSBPRNnn (Canon iP90) | |
match | or USBnnn (Canon iP90) (Where nn represents a number) | |
| • When performing infrared communication | |
| Open the Printer Properties dialog box directly from the Start menu. | |
| See "Opening the Printer Properties Dialog Box Directly from the Start Menu" | |
| on page 29. | |
| Ensure that the Infrared Port is selected as the destination port on the Ports | |
| tab or Details tab. | |
| · When using Windows XP or Windows 2000 | |
| The port [IR] is used as the infrared communication port. | |
| · When using Windows Me or Windows 98 | |
| The Infrared Port name is followed by the text "Infrared Printing (LPT) Port" | |
| which is enclosed in parentheses. | |
| Example: LPT3: (Infrared Printing (LPT) Port) | |
| * A port other than the LPT3 port may be selected depending on the | |
| computer setting. | |
| Follow the procedures described in the Easy Setup Instructions and | |
| reinstall the printer driver. | |
| Refer to the User’s Guide for instructions on how to verify status and the | |
| correct action to take. | |
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| |
Printer driver is not | Uninstall then reinstall the printer driver. | |
installed properly | 1. Click Start, and select All Programs (or Programs), Canon iP90, and Uninstall. | |
| 2. Follow the | |
| 3. Follow the procedures described in the Easy Setup Instructions and reinstall | |
| the printer driver. | |
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The message | If the Infrared Port is not selected as the print port of the printer driver, the | |
"Cannot write to the | message "Cannot write to the xxx port" (xxx is the name of the printer port) is | |
XXX port" is | displayed and printing does not start. Select the IR port (LPT3 port in Windows | |
displayed | Me/Windows 98) and retry printing. | |
| See "Printing Data through Infrared Communication" on page 15. | |
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