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Frequent Contributor
Posts: 41
Registered: ‎07-17-2015

PIXMA ip8720 banding on b&w prints

[ Edited ]

Horizontal banding lines on 13x19 and 8.5x11, most noticeable in black of b&w prints.
Canon Premium Matte paper and 3rd party pigment inks from 4inkjets.
Printer settings in PSE 15 are; grayscale, plain paper,high quality,printer managed color.
No problem in nozzel print-outs - no white lines.
Print head alignment sheet shows 7 columns of 18 blocks ea. of blue and black shades - 10 blue and 8 black running consecutively from top to bottom. On the 6th and 7th columns, the black blocks 4 spaces up from the bottom are missing.
Printer is primarily using the PGI 250XL Black cartridge pigment ink that I understand is used mostly for black text when the setting is at "plain paper ". The prints are absolutely free of ANY color casts (green,magenta,cyan) that I get at the supposed "correct" setting for this paper which would be "matte". The prints are rather harsh and contrasty which I like for the subject matter (street documentary) that I an presently printing.
The printer was purchased from B&H 6/26/17 Serial #ADGF2 [MOD NOTE: Serial number removed per FORUM GUIDELINES]
Have done several nozzel checks/cleanings and a few print head alignments both automatic and manual.
I don't really know how to interpret the head alignment print-out described above. But I'm wondering if the two missing blocks of black could result in the banding problem.


Thanks, Russ Marshall


ip8720 print head align.jpg



Product Expert
Posts: 326
Registered: ‎01-20-2016

Re: PIXMA ip8720 banding on b&w prints

Hi brassman,


Many print quality issues can be resolved by removing and reseating the print head.  I have included full instructions for doing so HERE.


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