Canon imagePROGRAF TX-3100 36" Printer with Basket - Manual (Page 870)

100A
Cause
You have attempted to print from Roll 1 (Upper), but no roll is loaded.
What to Do
Tap Load paper on the touch screen, and then load the paper roll and print.
Loading the Upper Roll on the Printer
Note
• To stop printing, tap Cancel or Stop on the touch screen.
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