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Printouts have horizontal banding



 
 
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  #1  
Old January 6th 18, 06:32 PM posted to microsoft.public.windowsxp.general
Andy[_17_]
external usenet poster
 
Posts: 594
Default Printouts have horizontal banding

I have a Canon MG 2220 printer.

I have having problems with my printouts having horizontal bands across them.

I have cleaned heads using CUPS.

I also just physically cleaned the printer heads.

There was a lot of ink and some was pooled on the bottom of printer.

I refill my cartridges.

Picture of printout is here.

https://www.dropbox.com/s/4i8eveduag...nding.png?dl=0

thanks,
Andy
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  #2  
Old January 6th 18, 11:03 PM posted to microsoft.public.windowsxp.general
Paul[_32_]
external usenet poster
 
Posts: 11,873
Default Printouts have horizontal banding

Andy wrote:
I have a Canon MG 2220 printer.

I have having problems with my printouts having horizontal bands across them.

I have cleaned heads using CUPS.

I also just physically cleaned the printer heads.

There was a lot of ink and some was pooled on the bottom of printer.

I refill my cartridges.

Picture of printout is here.

https://www.dropbox.com/s/4i8eveduag...nding.png?dl=0

thanks,
Andy


Canon Knowledge Base - Aligning the MG2220 Print Head

https://support.usa.canon.com/kb/ind...t&id=ART137428

Paul
  #3  
Old January 7th 18, 09:54 PM posted to microsoft.public.windowsxp.general
Andy[_17_]
external usenet poster
 
Posts: 594
Default Printouts have horizontal banding

On Saturday, January 6, 2018 at 4:03:38 PM UTC-6, Paul wrote:
Andy wrote:
I have a Canon MG 2220 printer.

I have having problems with my printouts having horizontal bands across them.

I have cleaned heads using CUPS.

I also just physically cleaned the printer heads.

There was a lot of ink and some was pooled on the bottom of printer.

I refill my cartridges.

Picture of printout is here.

https://www.dropbox.com/s/4i8eveduag...nding.png?dl=0

thanks,
Andy


Canon Knowledge Base - Aligning the MG2220 Print Head

https://support.usa.canon.com/kb/ind...t&id=ART137428

Paul


It did not help.

Andy
  #4  
Old January 8th 18, 04:19 AM posted to microsoft.public.windowsxp.general
Paul in Houston TX[_2_]
external usenet poster
 
Posts: 999
Default Printouts have horizontal banding

Andy wrote:
On Saturday, January 6, 2018 at 4:03:38 PM UTC-6, Paul wrote:
Andy wrote:
I have a Canon MG 2220 printer.

I have having problems with my printouts having horizontal bands across them.

I have cleaned heads using CUPS.

I also just physically cleaned the printer heads.

There was a lot of ink and some was pooled on the bottom of printer.

I refill my cartridges.

Picture of printout is here.

https://www.dropbox.com/s/4i8eveduag...nding.png?dl=0

thanks,
Andy


Canon Knowledge Base - Aligning the MG2220 Print Head

https://support.usa.canon.com/kb/ind...t&id=ART137428

Paul


It did not help.

Andy


It looks to me like some of the holes in the black cartridge are clogged up.

  #5  
Old January 10th 18, 05:54 AM posted to microsoft.public.windowsxp.general
Andy[_17_]
external usenet poster
 
Posts: 594
Default Printouts have horizontal banding

On Sunday, January 7, 2018 at 9:19:09 PM UTC-6, Paul in Houston TX wrote:
Andy wrote:
On Saturday, January 6, 2018 at 4:03:38 PM UTC-6, Paul wrote:
Andy wrote:
I have a Canon MG 2220 printer.

I have having problems with my printouts having horizontal bands across them.

I have cleaned heads using CUPS.

I also just physically cleaned the printer heads.

There was a lot of ink and some was pooled on the bottom of printer.

I refill my cartridges.

Picture of printout is here.

https://www.dropbox.com/s/4i8eveduag...nding.png?dl=0

thanks,
Andy

Canon Knowledge Base - Aligning the MG2220 Print Head

https://support.usa.canon.com/kb/ind...t&id=ART137428

Paul


It did not help.

Andy


It looks to me like some of the holes in the black cartridge are clogged up.


What holes do you mean?

I have used a hole on top to refill it, but that has nothing to do with how it prints.

And the banding occurs equally with color printing.

Andy
  #6  
Old January 10th 18, 06:59 AM posted to microsoft.public.windowsxp.general
Paul in Houston TX[_2_]
external usenet poster
 
Posts: 999
Default Printouts have horizontal banding

Andy wrote:
On Sunday, January 7, 2018 at 9:19:09 PM UTC-6, Paul in Houston TX wrote:
Andy wrote:
On Saturday, January 6, 2018 at 4:03:38 PM UTC-6, Paul wrote:
Andy wrote:
I have a Canon MG 2220 printer.

I have having problems with my printouts having horizontal bands across them.

I have cleaned heads using CUPS.

I also just physically cleaned the printer heads.

There was a lot of ink and some was pooled on the bottom of printer.

I refill my cartridges.

Picture of printout is here.

https://www.dropbox.com/s/4i8eveduag...nding.png?dl=0

thanks,
Andy

Canon Knowledge Base - Aligning the MG2220 Print Head

https://support.usa.canon.com/kb/ind...t&id=ART137428

Paul

It did not help.

Andy


It looks to me like some of the holes in the black cartridge are clogged up.


What holes do you mean?

I have used a hole on top to refill it, but that has nothing to do with how it prints.

And the banding occurs equally with color printing.

Andy


According to Canon your printer is an ink jet type.
Typical inkjet cartridges have tens to hundreds of holes that spray the liquid onto the
paper. The holes are just a few microns in diameter.
The colors on the the dropbox photo appear to be ok.
It's the black that is not spraying correctly.

Try a spraying / printing only one color at a time.
My guess is that pure c, m, y, will not have banding but pure black will.


  #7  
Old January 10th 18, 02:43 PM posted to microsoft.public.windowsxp.general
Andy[_17_]
external usenet poster
 
Posts: 594
Default Printouts have horizontal banding

On Tuesday, January 9, 2018 at 11:59:32 PM UTC-6, Paul in Houston TX wrote:
Andy wrote:
On Sunday, January 7, 2018 at 9:19:09 PM UTC-6, Paul in Houston TX wrote:
Andy wrote:
On Saturday, January 6, 2018 at 4:03:38 PM UTC-6, Paul wrote:
Andy wrote:
I have a Canon MG 2220 printer.

I have having problems with my printouts having horizontal bands across them.

I have cleaned heads using CUPS.

I also just physically cleaned the printer heads.

There was a lot of ink and some was pooled on the bottom of printer.

I refill my cartridges.

Picture of printout is here.

https://www.dropbox.com/s/4i8eveduag...nding.png?dl=0

thanks,
Andy

Canon Knowledge Base - Aligning the MG2220 Print Head

https://support.usa.canon.com/kb/ind...t&id=ART137428

Paul

It did not help.

Andy

It looks to me like some of the holes in the black cartridge are clogged up.


What holes do you mean?

I have used a hole on top to refill it, but that has nothing to do with how it prints.

And the banding occurs equally with color printing.

Andy


According to Canon your printer is an ink jet type.
Typical inkjet cartridges have tens to hundreds of holes that spray the liquid onto the
paper. The holes are just a few microns in diameter.
The colors on the the dropbox photo appear to be ok.
It's the black that is not spraying correctly.

Try a spraying / printing only one color at a time.
My guess is that pure c, m, y, will not have banding but pure black will.


I printed a black only test sheet.

It still has the banding.

Andy

I don't print color often and color lasers are expensive, even ones you can refill.

I have a B/W Canon laser printer that works great is is refillable.
  #8  
Old January 10th 18, 02:44 PM posted to microsoft.public.windowsxp.general
Andy[_17_]
external usenet poster
 
Posts: 594
Default Printouts have horizontal banding

On Wednesday, January 10, 2018 at 7:43:31 AM UTC-6, Andy wrote:
On Tuesday, January 9, 2018 at 11:59:32 PM UTC-6, Paul in Houston TX wrote:
Andy wrote:
On Sunday, January 7, 2018 at 9:19:09 PM UTC-6, Paul in Houston TX wrote:
Andy wrote:
On Saturday, January 6, 2018 at 4:03:38 PM UTC-6, Paul wrote:
Andy wrote:
I have a Canon MG 2220 printer.

I have having problems with my printouts having horizontal bands across them.

I have cleaned heads using CUPS.

I also just physically cleaned the printer heads.

There was a lot of ink and some was pooled on the bottom of printer.

I refill my cartridges.

Picture of printout is here.

https://www.dropbox.com/s/4i8eveduag...nding.png?dl=0

thanks,
Andy

Canon Knowledge Base - Aligning the MG2220 Print Head

https://support.usa.canon.com/kb/ind...t&id=ART137428

Paul

It did not help.

Andy

It looks to me like some of the holes in the black cartridge are clogged up.

What holes do you mean?

I have used a hole on top to refill it, but that has nothing to do with how it prints.

And the banding occurs equally with color printing.

Andy


According to Canon your printer is an ink jet type.
Typical inkjet cartridges have tens to hundreds of holes that spray the liquid onto the
paper. The holes are just a few microns in diameter.
The colors on the the dropbox photo appear to be ok.
It's the black that is not spraying correctly.

Try a spraying / printing only one color at a time.
My guess is that pure c, m, y, will not have banding but pure black will.


I printed a black only test sheet.

It still has the banding.

Andy

I don't print color often and color lasers are expensive, even ones you can refill.

I have a B/W Canon laser printer that works great is is refillable.


Sorry, all colors having banding as well.

Andy
  #9  
Old January 10th 18, 04:10 PM posted to microsoft.public.windowsxp.general
Paul[_32_]
external usenet poster
 
Posts: 11,873
Default Printouts have horizontal banding

Andy wrote:
On Wednesday, January 10, 2018 at 7:43:31 AM UTC-6, Andy wrote:
On Tuesday, January 9, 2018 at 11:59:32 PM UTC-6, Paul in Houston TX wrote:
Andy wrote:
On Sunday, January 7, 2018 at 9:19:09 PM UTC-6, Paul in Houston TX wrote:
Andy wrote:
On Saturday, January 6, 2018 at 4:03:38 PM UTC-6, Paul wrote:
Andy wrote:
I have a Canon MG 2220 printer.

I have having problems with my printouts having horizontal bands across them.

I have cleaned heads using CUPS.

I also just physically cleaned the printer heads.

There was a lot of ink and some was pooled on the bottom of printer.

I refill my cartridges.

Picture of printout is here.

https://www.dropbox.com/s/4i8eveduag...nding.png?dl=0

thanks,
Andy
Canon Knowledge Base - Aligning the MG2220 Print Head

https://support.usa.canon.com/kb/ind...t&id=ART137428

Paul
It did not help.

Andy
It looks to me like some of the holes in the black cartridge are clogged up.
What holes do you mean?

I have used a hole on top to refill it, but that has nothing to do with how it prints.

And the banding occurs equally with color printing.

Andy
According to Canon your printer is an ink jet type.
Typical inkjet cartridges have tens to hundreds of holes that spray the liquid onto the
paper. The holes are just a few microns in diameter.
The colors on the the dropbox photo appear to be ok.
It's the black that is not spraying correctly.

Try a spraying / printing only one color at a time.
My guess is that pure c, m, y, will not have banding but pure black will.

I printed a black only test sheet.

It still has the banding.

Andy

I don't print color often and color lasers are expensive, even ones you can refill.

I have a B/W Canon laser printer that works great is is refillable.


Sorry, all colors having banding as well.

Andy



"Cleaning the MG2220 Print Head"
https://support.usa.canon.com/kb/ind...t&id=ART137661

"Printing the Nozzle Check Pattern"
https://support.usa.canon.com/kb/ind...t&id=ART137661

"Examining the Nozzle Check Pattern"
https://support.usa.canon.com/kb/ind...t&id=ART137707

Your test picture looks like "horizontal white streaks". Either the
pattern is related to the print head, or there's a "flat spot" on
some roller or platen in there.

One interesting twist on your test picture, is the edges of the
"box diagram", the less intense printed areas on the edge of the
box are missing the banding. But it can't be ink starvation,
because the change is so abrupt from streaked to not streaked.

"All the colors" shouldn't be doing that. It looks to me like K
is the missing out (out of CMYK). K is the black one. And I don't
think you always mix K with the other colors, to modulate the color,
as that would throw the color rendering off. At least some of the
colors, should turn on just that color. The test images the
printer makes, it should be selected saturated single gun colors
for at least some of its color rows.

Another thing you can think about - listen to the sound the printer
makes while it is printing. Does the sound the printer makes,
correlate to the damaged print appearance. It shouldn't. An inkjet
should be able to make a damaged print, without a noise that follows
the damage pattern. If there is a change in noise, it implies a
mechanical issue. And I don't buy that. I don't think the
transport is stopping for one row or something. If that happened,
a row would be darker, not lighter.

Paul
  #10  
Old January 10th 18, 06:49 PM posted to microsoft.public.windowsxp.general
Andy[_17_]
external usenet poster
 
Posts: 594
Default Printouts have horizontal banding

On Wednesday, January 10, 2018 at 9:10:44 AM UTC-6, Paul wrote:
Andy wrote:
On Wednesday, January 10, 2018 at 7:43:31 AM UTC-6, Andy wrote:
On Tuesday, January 9, 2018 at 11:59:32 PM UTC-6, Paul in Houston TX wrote:
Andy wrote:
On Sunday, January 7, 2018 at 9:19:09 PM UTC-6, Paul in Houston TX wrote:
Andy wrote:
On Saturday, January 6, 2018 at 4:03:38 PM UTC-6, Paul wrote:
Andy wrote:
I have a Canon MG 2220 printer.

I have having problems with my printouts having horizontal bands across them.

I have cleaned heads using CUPS.

I also just physically cleaned the printer heads.

There was a lot of ink and some was pooled on the bottom of printer.

I refill my cartridges.

Picture of printout is here.

https://www.dropbox.com/s/4i8eveduag...nding.png?dl=0

thanks,
Andy
Canon Knowledge Base - Aligning the MG2220 Print Head

https://support.usa.canon.com/kb/ind...t&id=ART137428

Paul
It did not help.

Andy
It looks to me like some of the holes in the black cartridge are clogged up.
What holes do you mean?

I have used a hole on top to refill it, but that has nothing to do with how it prints.

And the banding occurs equally with color printing.

Andy
According to Canon your printer is an ink jet type.
Typical inkjet cartridges have tens to hundreds of holes that spray the liquid onto the
paper. The holes are just a few microns in diameter.
The colors on the the dropbox photo appear to be ok.
It's the black that is not spraying correctly.

Try a spraying / printing only one color at a time.
My guess is that pure c, m, y, will not have banding but pure black will.
I printed a black only test sheet.

It still has the banding.

Andy

I don't print color often and color lasers are expensive, even ones you can refill.

I have a B/W Canon laser printer that works great is is refillable.


Sorry, all colors having banding as well.

Andy



"Cleaning the MG2220 Print Head"
https://support.usa.canon.com/kb/ind...t&id=ART137661

"Printing the Nozzle Check Pattern"
https://support.usa.canon.com/kb/ind...t&id=ART137661

"Examining the Nozzle Check Pattern"
https://support.usa.canon.com/kb/ind...t&id=ART137707

Your test picture looks like "horizontal white streaks". Either the
pattern is related to the print head, or there's a "flat spot" on
some roller or platen in there.

One interesting twist on your test picture, is the edges of the
"box diagram", the less intense printed areas on the edge of the
box are missing the banding. But it can't be ink starvation,
because the change is so abrupt from streaked to not streaked.

"All the colors" shouldn't be doing that. It looks to me like K
is the missing out (out of CMYK). K is the black one. And I don't
think you always mix K with the other colors, to modulate the color,
as that would throw the color rendering off. At least some of the
colors, should turn on just that color. The test images the
printer makes, it should be selected saturated single gun colors
for at least some of its color rows.

Another thing you can think about - listen to the sound the printer
makes while it is printing. Does the sound the printer makes,
correlate to the damaged print appearance. It shouldn't. An inkjet
should be able to make a damaged print, without a noise that follows
the damage pattern. If there is a change in noise, it implies a
mechanical issue. And I don't buy that. I don't think the
transport is stopping for one row or something. If that happened,
a row would be darker, not lighter.

Paul


Here is a color test sheet.

https://www.dropbox.com/s/0xhjghtcs9...Sheet.png?dl=0

Andy
  #11  
Old January 11th 18, 01:19 AM posted to microsoft.public.windowsxp.general
Paul[_32_]
external usenet poster
 
Posts: 11,873
Default Printouts have horizontal banding

Andy wrote:
On Wednesday, January 10, 2018 at 9:10:44 AM UTC-6, Paul wrote:
Andy wrote:
On Wednesday, January 10, 2018 at 7:43:31 AM UTC-6, Andy wrote:
On Tuesday, January 9, 2018 at 11:59:32 PM UTC-6, Paul in Houston TX wrote:
Andy wrote:
On Sunday, January 7, 2018 at 9:19:09 PM UTC-6, Paul in Houston TX wrote:
Andy wrote:
On Saturday, January 6, 2018 at 4:03:38 PM UTC-6, Paul wrote:
Andy wrote:
I have a Canon MG 2220 printer.

I have having problems with my printouts having horizontal bands across them.

I have cleaned heads using CUPS.

I also just physically cleaned the printer heads.

There was a lot of ink and some was pooled on the bottom of printer.

I refill my cartridges.

Picture of printout is here.

https://www.dropbox.com/s/4i8eveduag...nding.png?dl=0

thanks,
Andy
Canon Knowledge Base - Aligning the MG2220 Print Head

https://support.usa.canon.com/kb/ind...t&id=ART137428

Paul
It did not help.

Andy
It looks to me like some of the holes in the black cartridge are clogged up.
What holes do you mean?

I have used a hole on top to refill it, but that has nothing to do with how it prints.

And the banding occurs equally with color printing.

Andy
According to Canon your printer is an ink jet type.
Typical inkjet cartridges have tens to hundreds of holes that spray the liquid onto the
paper. The holes are just a few microns in diameter.
The colors on the the dropbox photo appear to be ok.
It's the black that is not spraying correctly.

Try a spraying / printing only one color at a time.
My guess is that pure c, m, y, will not have banding but pure black will.
I printed a black only test sheet.

It still has the banding.

Andy

I don't print color often and color lasers are expensive, even ones you can refill.

I have a B/W Canon laser printer that works great is is refillable.
Sorry, all colors having banding as well.

Andy


"Cleaning the MG2220 Print Head"
https://support.usa.canon.com/kb/ind...t&id=ART137661

"Printing the Nozzle Check Pattern"
https://support.usa.canon.com/kb/ind...t&id=ART137661

"Examining the Nozzle Check Pattern"
https://support.usa.canon.com/kb/ind...t&id=ART137707

Your test picture looks like "horizontal white streaks". Either the
pattern is related to the print head, or there's a "flat spot" on
some roller or platen in there.

One interesting twist on your test picture, is the edges of the
"box diagram", the less intense printed areas on the edge of the
box are missing the banding. But it can't be ink starvation,
because the change is so abrupt from streaked to not streaked.

"All the colors" shouldn't be doing that. It looks to me like K
is the missing out (out of CMYK). K is the black one. And I don't
think you always mix K with the other colors, to modulate the color,
as that would throw the color rendering off. At least some of the
colors, should turn on just that color. The test images the
printer makes, it should be selected saturated single gun colors
for at least some of its color rows.

Another thing you can think about - listen to the sound the printer
makes while it is printing. Does the sound the printer makes,
correlate to the damaged print appearance. It shouldn't. An inkjet
should be able to make a damaged print, without a noise that follows
the damage pattern. If there is a change in noise, it implies a
mechanical issue. And I don't buy that. I don't think the
transport is stopping for one row or something. If that happened,
a row would be darker, not lighter.

Paul


Here is a color test sheet.

https://www.dropbox.com/s/0xhjghtcs9...Sheet.png?dl=0

Andy


Here is a page for comparison. Might be from the designer of the page.
Printed and scanned.

https://design.canonical.com/2012/03...-2012-a5-scan/

Your printer almost looks like it uses K on everything. The Canonical print
page sample, looks like an attempt at pure colors in CYMK space. So the
top set of saturated half-moons, shouldn't have used the K print head
at all (for the C,M,Y half-moons). And the lighter half-moons, should
be printed with a half tone pattern.

I would say it's something to do with the black print head only. And
that somewhere, maybe a gamma setting or some other transform, is
making for your "darkened" colors.

Your page also looks like there is some jitter involved. Either the
scan process or the print process. Now, the scan process only relies
on vertical transport. The scan element is N pixels wide and should scan
the width of the sheet. So the jitter isn't coming from scanning.
Printing on the other hand, is bidirectional, with the head sweeping
side to side as the transport steps vertically between sweeps, and
maybe the belt is getting a bit loose or there's a bit of gear slack
in the side to side sweep.

For the pattern you're getting, that print head must be *huge* :-) But
I haven't taken the carts out of mine for a while, to remind me. Naturally,
the taller the active surface, the fewer sweeping passes needed, so there's
an incentive to make it tall. But that also increased the number of piezo
or thermal pumps. And those need electrical drivers all working at the
same time.

Paul

  #12  
Old January 11th 18, 04:36 PM posted to microsoft.public.windowsxp.general
Andy[_17_]
external usenet poster
 
Posts: 594
Default Printouts have horizontal banding

On Wednesday, January 10, 2018 at 6:19:17 PM UTC-6, Paul wrote:
Andy wrote:
On Wednesday, January 10, 2018 at 9:10:44 AM UTC-6, Paul wrote:
Andy wrote:
On Wednesday, January 10, 2018 at 7:43:31 AM UTC-6, Andy wrote:
On Tuesday, January 9, 2018 at 11:59:32 PM UTC-6, Paul in Houston TX wrote:
Andy wrote:
On Sunday, January 7, 2018 at 9:19:09 PM UTC-6, Paul in Houston TX wrote:
Andy wrote:
On Saturday, January 6, 2018 at 4:03:38 PM UTC-6, Paul wrote:
Andy wrote:
I have a Canon MG 2220 printer.

I have having problems with my printouts having horizontal bands across them.

I have cleaned heads using CUPS.

I also just physically cleaned the printer heads.

There was a lot of ink and some was pooled on the bottom of printer.

I refill my cartridges.

Picture of printout is here.

https://www.dropbox.com/s/4i8eveduag...nding.png?dl=0

thanks,
Andy
Canon Knowledge Base - Aligning the MG2220 Print Head

https://support.usa.canon.com/kb/ind...t&id=ART137428

Paul
It did not help.

Andy
It looks to me like some of the holes in the black cartridge are clogged up.
What holes do you mean?

I have used a hole on top to refill it, but that has nothing to do with how it prints.

And the banding occurs equally with color printing.

Andy
According to Canon your printer is an ink jet type.
Typical inkjet cartridges have tens to hundreds of holes that spray the liquid onto the
paper. The holes are just a few microns in diameter.
The colors on the the dropbox photo appear to be ok.
It's the black that is not spraying correctly.

Try a spraying / printing only one color at a time.
My guess is that pure c, m, y, will not have banding but pure black will.
I printed a black only test sheet.

It still has the banding.

Andy

I don't print color often and color lasers are expensive, even ones you can refill.

I have a B/W Canon laser printer that works great is is refillable.
Sorry, all colors having banding as well.

Andy

"Cleaning the MG2220 Print Head"
https://support.usa.canon.com/kb/ind...t&id=ART137661

"Printing the Nozzle Check Pattern"
https://support.usa.canon.com/kb/ind...t&id=ART137661

"Examining the Nozzle Check Pattern"
https://support.usa.canon.com/kb/ind...t&id=ART137707

Your test picture looks like "horizontal white streaks". Either the
pattern is related to the print head, or there's a "flat spot" on
some roller or platen in there.

One interesting twist on your test picture, is the edges of the
"box diagram", the less intense printed areas on the edge of the
box are missing the banding. But it can't be ink starvation,
because the change is so abrupt from streaked to not streaked.

"All the colors" shouldn't be doing that. It looks to me like K
is the missing out (out of CMYK). K is the black one. And I don't
think you always mix K with the other colors, to modulate the color,
as that would throw the color rendering off. At least some of the
colors, should turn on just that color. The test images the
printer makes, it should be selected saturated single gun colors
for at least some of its color rows.

Another thing you can think about - listen to the sound the printer
makes while it is printing. Does the sound the printer makes,
correlate to the damaged print appearance. It shouldn't. An inkjet
should be able to make a damaged print, without a noise that follows
the damage pattern. If there is a change in noise, it implies a
mechanical issue. And I don't buy that. I don't think the
transport is stopping for one row or something. If that happened,
a row would be darker, not lighter.

Paul


Here is a color test sheet.

https://www.dropbox.com/s/0xhjghtcs9...Sheet.png?dl=0

Andy


Here is a page for comparison. Might be from the designer of the page.
Printed and scanned.

https://design.canonical.com/2012/03...-2012-a5-scan/

Your printer almost looks like it uses K on everything. The Canonical print
page sample, looks like an attempt at pure colors in CYMK space. So the
top set of saturated half-moons, shouldn't have used the K print head
at all (for the C,M,Y half-moons). And the lighter half-moons, should
be printed with a half tone pattern.

I would say it's something to do with the black print head only. And
that somewhere, maybe a gamma setting or some other transform, is
making for your "darkened" colors.

Your page also looks like there is some jitter involved. Either the
scan process or the print process. Now, the scan process only relies
on vertical transport. The scan element is N pixels wide and should scan
the width of the sheet. So the jitter isn't coming from scanning.
Printing on the other hand, is bidirectional, with the head sweeping
side to side as the transport steps vertically between sweeps, and
maybe the belt is getting a bit loose or there's a bit of gear slack
in the side to side sweep.

For the pattern you're getting, that print head must be *huge* :-) But
I haven't taken the carts out of mine for a while, to remind me. Naturally,
the taller the active surface, the fewer sweeping passes needed, so there's
an incentive to make it tall. But that also increased the number of piezo
or thermal pumps. And those need electrical drivers all working at the
same time.

Paul


That's interesting.

But without a fix, the printer is now a scanner only.

I use Scangear and wish there was a way to make it default to a resolution of 200 dpi. It's default is 300 dpi which makes some hugh size files.

As in 18 Mb for one page.

I have to manually set it to 200 dpi for every scan.

Andy
  #13  
Old January 11th 18, 08:38 PM posted to microsoft.public.windowsxp.general
Paul[_32_]
external usenet poster
 
Posts: 11,873
Default Printouts have horizontal banding

Andy wrote:

That's interesting.

But without a fix, the printer is now a scanner only.

I use Scangear and wish there was a way to make it default to a resolution of 200 dpi. It's default is 300 dpi which makes some hugh size files.

As in 18 Mb for one page.

I have to manually set it to 200 dpi for every scan.

Andy


On some ink jets, the print head is a separate purchase
item, from how the ink is provided.

Note that manual cleaning usually spells doom for a printhead.
If you push ink backwards into the jets, by using alcohol, it
may dry and clog and get harder to remove on the next attempt.
The "positive" pressure provided by the inkjet printer cleaning
method, so it (tries) to pump ink out through the holes, is the
only really safe method. When you do cleaning from the outside,
you really don't have sufficient control of what is going on,
to be successful each and every time. Like, just wiping the
alcohol off the head with a Kleenex could be enough to
stuff lint into multiple holes. (This info is provided, by
me ruining the print heads on some devices at work :-/
Live and learn.)

*******

I don't use Scangear, but apparently it has a dialog box
for defining the resolution of an "Image Type". So the
default comes from the "kind" of scan you're doing,
and there is some sort of "Global" setting as seen
on page 34. I have no idea where that dialog came from,
what sub-menu, but at least it implies the ability to
change a default. As they say "Good luck with that" :-)
Even if this manual isn't for your machine, it's
a conceptual start on fixing it.

http://files.canon-europe.com/files/...r_Guide_EN.pdf

Paul
  #14  
Old January 11th 18, 10:43 PM posted to microsoft.public.windowsxp.general
Andy[_17_]
external usenet poster
 
Posts: 594
Default Printouts have horizontal banding

On Saturday, January 6, 2018 at 11:32:28 AM UTC-6, Andy wrote:
I have a Canon MG 2220 printer.

I have having problems with my printouts having horizontal bands across them.

I have cleaned heads using CUPS.

I also just physically cleaned the printer heads.

There was a lot of ink and some was pooled on the bottom of printer.

I refill my cartridges.

Picture of printout is here.

https://www.dropbox.com/s/4i8eveduag...nding.png?dl=0

thanks,
Andy


Thanks. Looks like the resolution is settable with Windows scangear.

Not so with Ubuntu.

I will keep looking for some kind of configuration file. If I can find the software author, I will send him a message.

But thanks for your very informative answers. :-(

Andy
  #15  
Old January 11th 18, 11:07 PM posted to microsoft.public.windowsxp.general
Andy[_17_]
external usenet poster
 
Posts: 594
Default Printouts have horizontal banding

On Thursday, January 11, 2018 at 3:43:19 PM UTC-6, Andy wrote:
On Saturday, January 6, 2018 at 11:32:28 AM UTC-6, Andy wrote:
I have a Canon MG 2220 printer.

I have having problems with my printouts having horizontal bands across them.

I have cleaned heads using CUPS.

I also just physically cleaned the printer heads.

There was a lot of ink and some was pooled on the bottom of printer.

I refill my cartridges.

Picture of printout is here.

https://www.dropbox.com/s/4i8eveduag...nding.png?dl=0

thanks,
Andy


Thanks. Looks like the resolution is settable with Windows scangear.

Not so with Ubuntu.

I will keep looking for some kind of configuration file. If I can find the software author, I will send him a message.

But thanks for your very informative answers. :-(

Andy


I just found a program called Xsane.

It lets you configure dpi resolution.

They have Windows versions as well.

Andy
 




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