Control Panel
• The Online lamp and Message lamp are not lit (even once), and nothing appears on the Display
Screen
Make sure the printer is plugged in correctly . Check the connection at the plug and electrical outlet.
Important
• Starting the printer when it is connected via the USB cable to a Macintosh computer that is of f may
cause the computer to start up at the same time. T o prevent this, disconnect the USB cable before
starting the printer . Connecting the printer to the computer via a USB hub may solve this issue.
T urning the printer off
Important
• Never turn the printer of f or unplug it during a print job. This could damage the printer .
1. Make sure no print jobs are in progress.
If the Message lamp is ashing, check the message on the Display Screen and take action as
necessary . ( → P .731)
If the Data lamp is ashing, the printer is receiving a print job. T urn of f the printer only after
printing is nished.
Printer Parts 21
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