Canon imagePROGRAF iPF820 iPF820 User Manual - Page 636

Problems with the printing quality Paper rubs against the printhead Cause Corrective Action The type of paper specied in the printer driver does not match the type loaded in the printer. Load paper of the same type as you have specied in the printer driver. (→P.118) (→P.150) Make sure the same type of paper is specied in the printer driver as you have loaded in the printer. 1.Hold down the Stop button for a second or more to cancel printing. 2.Change the type of paper in the printer driver and try printing again. Paper has been loaded incorrectly, causing it to wrinkle. Reload the paper. (→P.118) (→P.150) The Printhead is set too low. In Head Height, choose Automatic. (→P.551) You are printing on heavyweight paper or paper that curls or wrinkles easily after absorbing ink. When printing on Heavyweight Coated Paper or other paper-based media, choose a VacuumStrngth setting of Strong or Strongest. If paper still rubs against the printhead, try raising the Printhead by setting Head Height to Highest. (→P.561) (→P.551) When printing on CAD Tracing Paper or other lm-based media, choose a VacuumStrngth setting of Standard, Strong, or Strongest. If paper still rubs against the printhead, try raising the Printhead by setting Head Height to Highest. (→P.561) (→P.551) When printing on paper 0.1 mm (0.004 in) thin or thinner, choose a VacuumStrngth setting of Weakest. If paper still rubs against the printhead, try raising the Printhead by setting Head Height to Highest. (→P.561) (→P.551) When you have loaded paper, the paper you have loaded does not match the type selected on the Display Screen. Be sure to select the correct type of paper in the printer menu when loading paper. (→P.118) (→P.150) 622 Troubleshooting