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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Re: HP Z6100- Magenta ink density fade
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.
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make sure the all colour are one brand. if yes, change the rad one, to be more confident you change with the cartridge, but I m sure that is not solid ink liquid with "paper" and other ink, sometime the kind of paper can be influential,
Print a "Config Report" from the printers menu...If u notice that the fourth square on the left side (fourth being the bottom square) for Magenta (reds and orange) is missing or very faded, this could indicate that the optical mirrors inside the printer have to be cleaned...Design flaw. ESP..if changing toners doesn't work and your your faded issue is with Magenta (Pink, red, or orange) colours are the only faded ones...With this design flaw in the optical mirrors, magenta mirror is the first to be affected!
Hope this helps!!!! I work in the industry :)
The Density Sensor is located inside the right upper door and senses the colour calibration pattern for each colour formed on the transfer drum during a calibration cycle. Press GO. Print a configuration page and then troubleshoot as an Image-quality problem as instructed in the user manual. Check the transfer guide for cracks and replace if necessary. Check the event log for errors numbered 54.00.0<X> the X indicates, 5-sensor abnormality, 4-Cyan, 3-Magenta, 2-Yellow, 1-Black. The last 3 error codes should be seen on the Configuration page.
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 tanks. Note Before performing maintenance Open the Top Cover and make sure that all lamps on the ink tanks are lit red. If not, see Checking the Ink Status and take an appropriate action. Increasing the print quality in the printer driver settings may improve the print result.
Having photographic quality copy prints made will give you far longer life than the original Polaroid. Polaroid colour dyes will shift colours and eventually fade dramatically. New photographic (and some ink jet) prints will last generations without noticeable fading.
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