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HP 722 C - color is not right

Posted on 2000-02-14
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Last Modified: 2013-12-15
When I print on my HP722C the printer only prints 2 colors black and pink..I have installed a new color cartridge and a new black cartridge..Aligned the print cartridge, cleaned the cartridge uninstalled and reinstalled the driver..tried new cables and tried eliminating the scanner and nothing seems to work..The system this printer is on is a Quantex 450Mhz P3
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Question by:tfritz101398
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briancassin earned 400 total points
ID: 2520184
when having color problems you can try the following solutions some are repeats of what you have already done ...


1. Take out the cartridge(s)make sure the tape is off of the end of them completely

2. Once you have verified tape is off of the cartridges then try taking a damp piece of paper towel (water only) and dab the end of the printhead until you see color on the papertowel (no-color means clogged, empty or bad printhead - replace)

3. Reinstall cartridges then run through one cleaning/priming cycle then try test print if still not ok continue

4. Do a self test print from the printer itself power off the printer hold the printer feed button and power on (this is usually how to do a self test print it varies though consult documentation on printer if holding the feed button on the printer does not make self test print)...

If the self test print comes out fine then the problem is something with the pc if the self test print does not then troubleshoot cartridges and try cleaning the contacts inside the machine that the cartridges touch against make sure you are using hp brand cartridges not 3rd party cartridges they tend to cause problems


5. If pc problem continue with these instructions...

Disconnect scanner if the printer if attached through the scanner ... and connect the printer directly to the lpt1 port try printing again if it now prints correctly then the scanner is interferring with the communication of the printer.... they will neeed seperate ports to be... if not and it is still having problems then continue

6. Verify the cable going to the printer says IEEE1284 and is no longer then 10ft it must say IEEE1284 on it if it does not get one...

7. IF so far no difference then uninstall all of the scanner software Umax, Mustek and Visoneer scanners are known for causing problems with the printers colorization if this does not fix continue

8. reboot pc when it says press this key to enter setup press that key then you will be in bios look under integrated perphrials or perphrials or ports    look for lpt1 set it to SPP mode - bi-directional or standard one of those listings should be there then try printing again if this did not fix continue

9. Once in windows right click on my computer select properties go to device manager click the plus sing next to ports com and lpt then click on lpt1 then click on remove then reboot windows pnp will reassign it.

if none of this fixes it write back to me the results
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