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Questions & Answers
Firmware failure with inbuilt ROM
unfortunatly the only fix is to replace the firmware chip itself which requires a new main PCA/formatter, I would suggest with the age of this unit that would be most difficult to get hold of and would probably cost more to repair than it would be to procure a 2nd hand more recent unit
My HP DesignJet 330 prints for the first 6
1. Thanks for coming up for air
2. We figured out the problem
3. It's a master panel board in the bottom right corner of the printer
4. At this time we will be throwing out this HP 330 and getting another
Thanks for your help.
Film + error lights flash. I have replaced the ink
This indicates that either the black print cartridge is faulty, misplaced or missing. Try inserting a different black cartridge. Also firmly press the large green plunger fully down once, and then release it. The plunger should return to its original position. Then reset the printer and try printing again. If the problem persists try using a new black cartridge and primeit before use with the power on.
see the driver are properly installed or if you can do litte bit of serviceing like add oil on the rod .
Error 79:04 HP 650T
79 errors are usually bad firmware that needs replaced or updated. Sometimes it is simply a bad print job being sent. Check to see if only one print job is causing this error, or if it happens with everything you try to print.
How do I bypass the expired cartridge on a HP DesignJet T610?
The dates are on the package for a reason. The ink dries out or changes viscosity over time and will likely clog the printhead.
My advice is not to stock up on cartridges because of this problem.
If you look online, you can find replacement chips or instructions on how to reset the chip on the cartridge.
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