Canon FB330P/FB630P - Manual (Page 69)

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Problems with Printing
Printing fails or printing errors
Cause 1: Scanner and printer incorrectly connected or cable loose
Solution: Connect cable correctly ( See p. 24 )
Cause 2: Scanner not powered up
Solution: Since data is sent through the scanner to the printer, the
scanner power must be on to print. Connect the AC adapter to
the scanner and electrical outlet (
See p. 26 )
Cause 3: WPS (Windows Printing System) printer in use
Solution: WPS printers cannot be used when connected through the
scanner. To use both the printer and the scanner, alternately
connect the devices to the computer’s parallel port as required
Cause 4: Scanning in progress
Solution: Printer cannot be used while scanning. Initiate print after
scanning finishes