Canon iPF785 User Manual page 12

Problems with the printing quality
Printing is faint .......................................................................................................................................................................... 639
Paper rubs against the Printhead ..................................................................................................................................... 639
The edges of the paper are dirty ...................................................................................................................................... 640
The surface of the paper is dirty ...................................................................................................................................... 641
The back side of the paper is dirty .................................................................................................................................. 641
Printed colors are inaccurate .............................................................................................................................................. 641
Banding in different colors occurs ................................................................................................................................... 642
Colors in printed images are uneven ............................................................................................................................... 642
Image edges are blurred or white banding occurs .................................................................................................... 643
The contrast becomes uneven during printing ........................................................................................................... 643
The length of printed images is inaccurate in the feeding direction ................................................................. 644
Images are printed crooked ................................................................................................................................................. 644
Documents are printed in monochrome ........................................................................................................................ 644
Line thickness is not uniform .............................................................................................................................................. 644
Lines are misaligned ................................................................................................................................................................ 645
Cannot print over a network
Cannot connect the printer to the network .................................................................................................................. 646
Cannot print over a TCP/IP network ................................................................................................................................ 646
Cannot print over a Bonjour network .............................................................................................................................. 646
Installation problems
The computer does not recognize the printer ............................................................................................................ 647
Removing Installed Printer Drivers .................................................................................................................................... 647
HP-GL/2 problems
With HP-GL/2, printing is misaligned ............................................................................................................................... 649
Lines or images are missing in printed HP-GL/2 jobs. ............................................................................................. 649
Lines are printed too thick or thin in HP-GL/2 print jobs ....................................................................................... 649
HP-GL/2 jobs are printed in monochrome (or color) ............................................................................................... 650
Printed colors of lines are inaccurate during HP-GL/2 printing .......................................................................... 650
HP-GL/2 jobs are printed 6 mm larger than specified ............................................................................................ 650
HP-GL/2 jobs are printed at maximum size, even if a standard size is specified ........................................ 650
HP-GL/2 printing takes a long time .................................................................................................................................. 650
The printer stops when printing a HP-GL/2 job (the carriage stops moving) ............................................... 650
Other problems
The Ink Tank Cover has become detached from the printer ................................................................................ 651
The printer does not go on .................................................................................................................................................. 651
The printer takes time to start up ..................................................................................................................................... 651
If the Printer Makes a Strange Sound ............................................................................................................................. 652
Messages advising to check the maintenance cartridge are not cleared ....................................................... 652
The printer consumes a lot of ink ..................................................................................................................................... 652
Ink Level Detection .................................................................................................................................................................. 652
Error Message
Error Messages
Messages regarding paper
Paper mismatch ........................................................................................................................................................................ 658
12 MediaType Mismatch .............................................................................................................................................................. 658
The paper is too small. ........................................................................................................................................................... 659
The paper is too small. ........................................................................................................................................................... 659
PaprWidth Mismatch ............................................................................................................................................................... 660
Paper size not detected. ........................................................................................................................................................ 660
Insufficient paper for job ....................................................................................................................................................... 661
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