Canon imagePROGRAF iPF810 User Manual page 665

HP-GL/2 problems
The printer stops when printing a HP-GL/2 job (the
carriage stops moving)
Cause Corrective Action
The printer is analyzing the print job. Either wait a while for printing to resume, or on
the printer Control Panel, set Input Resolution to
300dpi.
(→P.57)
Troubleshooting 651