Canon imagePROGRAF GP-4000 - Manual (Page 61)

The printer will not enter standby mode in the following situations. Take action as necessary.
• The top cover is open •
Close the top cover.
• The ink tank cover is open •
Close the ink tank cover.
• The print head is not installed •
Replacing the Print Head
• The ink tank is not installed •
Replacing Ink Tanks
• Error appears on touch screen •
Check the message on the touch screen and take action as necessary.
• The ON button and Status lamp never light up, and nothing appears on the touch screen •
Make sure the printer is plugged in correctly. Check the connection at the plug and electrical
outlet.
• No paper is loaded •
Load paper. (See " Loading and Printing on Rolls .") (See " Loading and Printing on Sheets .")
Turning the printer off
Important
• Never disconnect the printer's power supply or unplug it during a print job. This may damage the •
printer.
1. Make sure no print jobs are in progress. 1.
While the Status lamp is flashing, the printer is running. The color of the lamp indicates the following
states.
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