On Sat, 15 May 2010 04:55:07 -0700 (PDT), HannaK
wrote:

|Hello everyone
|My problems started when I bought a new RED cartridge, I replaced it
|and the print was pink instead red.I had to replace it with another
|new one and then a third one.No change.
|They all were HP original. We sent the printer to their
|laboratories.It cost 250$ to fix it.
|We did not allowed of course. Now it prints other colors except red
|ones. we have to print all in black. I've tried another red cartridge
|that works well in an other printer.
|I've heard about the same problem that time with other printers. Could
|it be a series
| of damaged red cartridges? Any suggestion how to save another 350$
|for a new printer?
|Thanks for any info.
|Hanna

Found an excellent PDF on the problem entitled "Fading Red Tones on
Color Laser Jets 2600" which includes the 1600 & 2605 that have same
problem.

Link I found it on at HP forums last month vanished (still shows up in
Google Searches) but searching on "Don Thompson's Service Seminars" led
me to a functioning link at http://tinyurl.com/36as8xy Make sure to
save the copy in case the link goes away too.

Not for the faint of heart, good luck!