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#1
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Death of a HP Deskjet cartridge. Design or natural causes ?
I'm having problems printing with an out of date HP Deskjet cartridge.
I's a hp C6578d (a.k.a.. "78") Cyan just wont print. New cartridges work OK in the same printer. Any answers please *on these specific points* ? 1.Is the "Install By" date hardcoded into the cartridge ? In a chip ? 2. Does the PC keep a log of cartridges that I install ? 3. If so, is it in the registry, in a file ...? 4. If so, can the info be modified, deleted ? Worked around ? I'm not into chemistry but I'm pretty doubtful that ink in a cartridge (in an airtight bag, in a dark, cool, dry place) can switch itself from OK to useless over a 9 month period. I can imagine that ink might deteriorate gradually in such a way as to be slightly less perfect than some "industry standard" but for one colour in the cartridge to just switch itself off after a certain date seems to imply design rather than natural causes. So, has anyone hard facts on that ? TIA Alf or Rosalie. |
#2
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Maybe the cartridge has dried out. I've had that happen with a cartridge
package that had not been opened. -- Ron P Sometimes you're the windshield Sometimes you're the bug "Alf" wrote in message ... I'm having problems printing with an out of date HP Deskjet cartridge. I's a hp C6578d (a.k.a.. "78") Cyan just wont print. New cartridges work OK in the same printer. Any answers please *on these specific points* ? 1.Is the "Install By" date hardcoded into the cartridge ? In a chip ? 2. Does the PC keep a log of cartridges that I install ? 3. If so, is it in the registry, in a file ...? 4. If so, can the info be modified, deleted ? Worked around ? I'm not into chemistry but I'm pretty doubtful that ink in a cartridge (in an airtight bag, in a dark, cool, dry place) can switch itself from OK to useless over a 9 month period. I can imagine that ink might deteriorate gradually in such a way as to be slightly less perfect than some "industry standard" but for one colour in the cartridge to just switch itself off after a certain date seems to imply design rather than natural causes. So, has anyone hard facts on that ? TIA Alf or Rosalie. |
#3
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And what - if owt - can be done to resurrect a dried out cartridge ?
"Ron" a écrit dans le message de ... Maybe the cartridge has dried out. I've had that happen with a cartridge package that had not been opened. -- Ron P Sometimes you're the windshield Sometimes you're the bug "Alf" wrote in message ... I'm having problems printing with an out of date HP Deskjet cartridge. I's a hp C6578d (a.k.a.. "78") Cyan just wont print. New cartridges work OK in the same printer. Any answers please *on these specific points* ? 1.Is the "Install By" date hardcoded into the cartridge ? In a chip ? 2. Does the PC keep a log of cartridges that I install ? 3. If so, is it in the registry, in a file ...? 4. If so, can the info be modified, deleted ? Worked around ? I'm not into chemistry but I'm pretty doubtful that ink in a cartridge (in an airtight bag, in a dark, cool, dry place) can switch itself from OK to useless over a 9 month period. I can imagine that ink might deteriorate gradually in such a way as to be slightly less perfect than some "industry standard" but for one colour in the cartridge to just switch itself off after a certain date seems to imply design rather than natural causes. So, has anyone hard facts on that ? TIA Alf or Rosalie. |
#4
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"Alf" wrote in message ... And what - if owt - can be done to resurrect a dried out cartridge ? It's garbage. Nothing can be done except to replace it. -- Ron P Sometimes you're the windshield Sometimes you're the bug "Ron" a écrit dans le message de ... Maybe the cartridge has dried out. I've had that happen with a cartridge package that had not been opened. -- Ron P Sometimes you're the windshield Sometimes you're the bug |
#5
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The HP cartridges have the printheads in the cartridge. It's likely that
the Cyan ejector is faulty. If all else fails, try *gently* using an ordinary rubber eraser on the cartridge contacts. That's a mild abrasive that will remove any film that might be preventing a good circuit, without damaging the contact plating. But *don't* do that to the mating comtacts on the printer. They are obviously OK if another cartridge works, and freequent eraser treatment will eventually wear off the plating on the contacts. This procedure works sometimes, but usually the cause is a defective ejector. Don "Alf" wrote in message ... I'm having problems printing with an out of date HP Deskjet cartridge. I's a hp C6578d (a.k.a.. "78") Cyan just wont print. New cartridges work OK in the same printer. Any answers please *on these specific points* ? 1.Is the "Install By" date hardcoded into the cartridge ? In a chip ? 2. Does the PC keep a log of cartridges that I install ? 3. If so, is it in the registry, in a file ...? 4. If so, can the info be modified, deleted ? Worked around ? I'm not into chemistry but I'm pretty doubtful that ink in a cartridge (in an airtight bag, in a dark, cool, dry place) can switch itself from OK to useless over a 9 month period. I can imagine that ink might deteriorate gradually in such a way as to be slightly less perfect than some "industry standard" but for one colour in the cartridge to just switch itself off after a certain date seems to imply design rather than natural causes. So, has anyone hard facts on that ? TIA Alf or Rosalie. |
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