Question about HP Designjet Z6100 InkJet Printer

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HP Z6100- Magenta ink density fade

HP Z6100- Magenta ink density fading partway through solid colour prints. Photo's & Illustrations printing ok.
Checked printheads (& replaced), showing OK.
Appears to be lack of ink supply to printhead.

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The printhead seat seal's may have worn/hardened and cracked/ or warped out of shape. If you feel confident to do so- remove the tube assy from the base front of the carriage( by removing ALL printheads removing the silver carriage cover and disconnecting the tube set from the carriage pcb) to reveal the Valve seats, remove the offending colours valve seat. strip the seat to individual component level and thoroughly clean ,testv the seal by squeezing between fingers and looking for cracks in the side wall of the seal.

Posted on Sep 11, 2013

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There may be air bubble in ink tube assembly if u can do the priming then ok o/w call hp service provider to do this

Posted on Aug 02, 2010

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ANSER #1

Assuming that you are using original Canon cartridges or a brand of Compatibles that you have used before.

If print results are blurred, colors are faded or not printed correctly, the pint head nozzles are probably clogged.

Follow the procedure below to print the nozzle check pattern, check the print head nozzle condition, then clean the Print Head. You may have to do this 2 or 3 times.

If printed ruled lines are misaligned or print results are otherwise unsatisfactory, aligning the Print Head may improve print quality.

Caution Do not rinse or wipe the Print Head and ink tanks. This can cause trouble with the Print Head and ink
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Note Before performing maintenance
Open the Top Cover and make sure that all lamps on the ink tanks are lit red.
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Hi Desperate for help I had a similar trouble with my printer it turned out that when I bought a replacement ink tank they gave me a photo quality cartridge and you can't mix them you need all photo quality or all plain cartridges check for that hope this helps

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