Canon S820 사용자 설명서

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An Error Message is Displayed on the Screen
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Troubleshooting
Error Writing to LPT1 or USBxxx 
Ensure that the printer is turned on.
If the POWER lamp is off, turn the printer on.
If the POWER lamp is flashing green, the printer is initializing. Wait until the POWER 
lamp stops flashing.
Ensure that the printer is securely connected to the computer.
Note
If you are using a switch box or other devices, remove and reconnect the 
printer directly to the computer and try printing again.
If printing is now successful, there may be a problem with the device.
Also there could be a problem with the cable(s). Replace the cable(s) and 
try printing again.
If spooling is enabled, disable it to send the print data directly to the printer and try 
printing again.
1
Open the Printer Properties dialog box from the Start menu.
2
On the Details tab (or Advanced tab), click Spool Settings and then 
select Print directly to printer.
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