Question about HP Officejet Pro 8500 A909g Wireless All-in-one Printer Cb023a
Not cyan, too much magenta
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: hp 4600 no cyan printing
Firstoff, if you have tray 1 set to "any size" & "any type" they had problems with it going into calibration to frequently. If you upgrade the firmware this will take care of that. As for no Cyan, check the scanner interlock to insure it is opening the scanner cover. You could also go into diagnostics and disable cartridge check and swap the cartridges around, ie. cyan & magenta, run the print quality pages and see if the problem follows the cartridge. It could also be HV power supply.
Posted on Jun 19, 2008
SOURCE: printing yellow for black
Can you confirm that you are using a CIS or non-HP cartridges with this printer?
It sounds a lot like the printhead has reached a clogging point where sediment has built up in the black portion and loosens enough to printer a few lines before it re-asserts itself again.
Based on my experience of this printer, if you're using a non-HP delivery system for ink then you should consider replacing the black ink with a dyebase alternative instead of pigment.. Replacing the Black/Yellow printhead and running a number of test prints to purge the pigment ink in the printhead should then result in a clean and more reliable printout in future.
One other vector for problems is the cleaning area and I've found that this can become soiled with excess ink causing cross contamination within the inks of one printhead. As yet I've not found a reliable solution to counter this sort of issue.
Hope this gives some clues and hopefully some ideas of a fix.
Posted on May 28, 2009
As with all of the solutions I've provided on this and the other HP88 printers, the problem is that the black printhead has become clogged due to the conditions the printer is kept in.
For some reason the pigment black ink in the HP88 printhead is particularly prone to clogging when used in hot, dry conditions where there is air conditioning or similar...
The only solution I have found to date is to replace the black ink with a dyebase alternative and use that with a new printhead. Finding this solution took me about 14 printheads and a lot of head scratching so it wasn't easy...
Finding a dyebase alternative may be difficult but whatever you do, make sure you purchase a remanufactured original HP OEM, not one of the all plastic designs with no black rubber bulb in the bottom of the printer. They fail and leak a LOT!.
Hope that helps..
Posted on Jul 11, 2009
Hello, this is Harry from www.BusinessSpread.co.uk.
We had the exact same problem when printing, we used 3 different 78 colour ink cartages and they all said 100% full but did not work. We then had a look at the dates on the box and they were all expired so when buying ink from anywhere even PC world or Curry’s always look at the expiry date.
Today I went to PC world and purchased a new 78 ink which said expires July 2011 and it works perfectly fine.
Posted on Jan 04, 2010
Dirty laser unit - needs (careful) cleaning internally.
See ' Printing Weak Magenta', 'Printing Light Magenta' for HP CM1015, HP Color Laserjet 1600, 2600, 2605.
All the same laser unit
Posted on May 09, 2010
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