Canon iPF680 User Manual page 12

Problems with the printing quality
Printing is faint .......................................................................................................................................................................... 641
Paper rubs against the Printhead ..................................................................................................................................... 641
The edges of the paper are dirty ...................................................................................................................................... 642
The surface of the paper is dirty ...................................................................................................................................... 643
The back side of the paper is dirty .................................................................................................................................. 643
Printed colors are inaccurate .............................................................................................................................................. 643
Banding in different colors occurs ................................................................................................................................... 644
Colors in printed images are uneven ............................................................................................................................... 644
Image edges are blurred or white banding occurs .................................................................................................... 645
The contrast becomes uneven during printing ........................................................................................................... 645
The length of printed images is inaccurate in the feeding direction ................................................................. 646
Images are printed crooked ................................................................................................................................................. 646
Documents are printed in monochrome ........................................................................................................................ 646
Line thickness is not uniform .............................................................................................................................................. 646
Lines are misaligned ................................................................................................................................................................ 647
Cannot print over a network
Cannot connect the printer to the network .................................................................................................................. 648
Cannot print over a TCP/IP network ................................................................................................................................ 648
Cannot print over a Bonjour network .............................................................................................................................. 648
Installation problems
The computer does not recognize the printer ............................................................................................................ 649
Removing Installed Printer Drivers .................................................................................................................................... 649
HP-GL/2 problems
With HP-GL/2, printing is misaligned ............................................................................................................................... 651
Lines or images are missing in printed HP-GL/2 jobs. ............................................................................................. 651
Lines are printed too thick or thin in HP-GL/2 print jobs ....................................................................................... 651
HP-GL/2 jobs are printed in monochrome (or color) ............................................................................................... 652
Printed colors of lines are inaccurate during HP-GL/2 printing .......................................................................... 652
HP-GL/2 jobs are printed 6 mm larger than specified ............................................................................................ 652
HP-GL/2 jobs are printed at maximum size, even if a standard size is specified ........................................ 652
HP-GL/2 printing takes a long time .................................................................................................................................. 652
The printer stops when printing a HP-GL/2 job (the carriage stops moving) ............................................... 652
Other problems
The Ink Tank Cover has become detached from the printer ................................................................................ 653
The printer does not go on .................................................................................................................................................. 653
The printer takes time to start up ..................................................................................................................................... 653
If the Printer Makes a Strange Sound ............................................................................................................................. 654
Messages advising to check the maintenance cartridge are not cleared ....................................................... 654
The printer consumes a lot of ink ..................................................................................................................................... 654
Ink Level Detection .................................................................................................................................................................. 654
Error Message
Error Messages
Messages regarding paper
Paper mismatch ........................................................................................................................................................................ 660
12 MediaType Mismatch .............................................................................................................................................................. 660
The paper is too small. ........................................................................................................................................................... 661
The paper is too small. ........................................................................................................................................................... 661
PaprWidth Mismatch ............................................................................................................................................................... 662
Paper size not detected. ........................................................................................................................................................ 662
Insufficient paper for job ....................................................................................................................................................... 663
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