Canon printer PIXMA MG7720 User Manual
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1850Cause Disc tray guide is closed. What to Do Open the disc tray guide with the operation panel closed, attach the disc tray properly, and then tap OK on the touch screen. 1091
1851Cause Disc tray guide is open. What to Do When printing other than disc label printing is started, close the disc tray guide. Close the disc tray guide and tap OK on the touch screen. 1092
1855Cause Disc tray guide has been closed. What to DoOpen the disc tray guide with the operation panel closed and tap OK on the touch screen. Do not open or close the disc tray guide while printing is in progress. Doing so may damage the machine. 1093
1856Cause Disc tray guide has been opened. What to DoWhile printing other than disc label printing, close the disc tray guide.Close the disc tray guide and tap OK on the touch screen. Do not open or close the disc tray guide while printing is in progress. Doing so may damage the machine. 1094
1857Cause Disc tray guide is open when starting disc label printing. What to DoWhen starting disc label printing, close the disc tray guide for the machine to prepare to print.Close the disc tray guide with the operation panel closed and tap OK on the touch screen. 1095
1872Cause Cassette 1 is not inserted. What to DoInsert the cassette 1. Note
1873Cause Cassette 2 is not inserted. What to DoInsert the cassette 2. Note
1890Cause Protective material or tape may still be attached to print head holder. What to Do Open the operation panel and make sure the protective material and tape have been removed from the print head holder. If the protective material or tape is still there, remove it and close the operation panel. If this does not solve the problem, contact your nearest Canon service center to request a repair. 1098
2111Cause Paper settings for printing or copying differ from cassette paper information set on machine. Note
What to DoTapping OK on the touch screen again, the screen below appears. Select the appropriate action. Note