Canon iPF840 - Page 11

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Troubleshooting

The size of clear film cannot be detected ............................................................................................................... 613

Printing does not start 614

The Data lamp on the Control Panel does not light up ............................................................................................ 614

The printer does not respond even if print jobs are sent ......................................................................................... 614

Ink Filling.. is displayed ........................................................................................................................................... 614

The display screen indicates Agitating .................................................................................................................... 615

The printer stops during a print job 616

An error message is shown on the Display Screen ................................................................................................. 616

The printer ejects blank, unprinted paper ............................................................................................................... 616

Problems with the printing quality 617

Printing is faint ........................................................................................................................................................ 617

Paper rubs against the Printhead ........................................................................................................................... 618

The edges of the paper are dirty ............................................................................................................................. 618

The surface of the paper is dirty ............................................................................................................................. 619

The back side of the paper is dirty .......................................................................................................................... 619

Printed colors are inaccurate .................................................................................................................................. 619

Banding in different colors occurs .......................................................................................................................... 620

Colors in printed images are uneven ....................................................................................................................... 620

Image edges are blurred or white banding occurs .................................................................................................. 621

Setting the Blue Switch on the Platen ............................................................................................................... 621

The contrast becomes uneven during printing ........................................................................................................ 624

The length of printed images is inaccurate in the feeding direction .......................................................................... 624

Images are printed crooked .................................................................................................................................... 624

Documents are printed in monochrome ................................................................................................................. 624

Line thickness is not uniform .................................................................................................................................. 625

Lines are misaligned ............................................................................................................................................... 625

Cannot print over a network 626

Cannot connect the printer to the network ............................................................................................................. 626

Cannot print over a TCP/IP network ....................................................................................................................... 626

Cannot print over a Bonjour network ...................................................................................................................... 626

Installation problems 627

Removing Installed Printer Drivers .......................................................................................................................... 627

HP-GL/2 problems 628

With HP-GL/2, printing is misaligned ...................................................................................................................... 628

Lines or images are missing in printed HP-GL/2 jobs. ............................................................................................ 628

Lines are printed too thick or thin in HP-GL/2 print jobs ......................................................................................... 628

HP-GL/2 jobs are printed in monochrome (or color) ............................................................................................... 628

Printed colors of lines are inaccurate during HP-GL/2 printing ................................................................................ 629

HP-GL/2 jobs are printed 6 mm larger than specified ............................................................................................. 629

HP-GL/2 jobs are printed at maximum size, even if a standard size is specified ...................................................... 629

HP-GL/2 printing takes a long time ........................................................................................................................ 629

The printer stops when printing a HP-GL/2 job (the carriage stops moving) ............................................................ 629