Technical information

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Please note these types of failures are quite rare with an ink cartridge that that has only been refilled
once or twice. For reference, the following page provides a complete review of the majority of cartridge
error messages you may observe on your printer at one point or another:
http://inkjet411.com/?page_id=509
However, if your printer works routinely after inserting a brand new HP 74 and/or HP 75 ink cartridge in
it, you should discuss the possibility of a refund with your local Costco (for the refilled cartridge
purchase). We regret your inconvenience, and we hope that you will continue to consider the
compelling value of inkjet refilling in the future.
For additional printer diagnostics information please visit: http://inkjet411.com/?page_id=1813
Please let us know if you have any additional questions regarding procedures outlined above and/or
questions relating to the provided technical information. Before refilling your next each cartridge please
refer to the following video and proper handling and care of integrated ink cartridges:
http://inkjet411.com/?page_id=1437
For any additional questions please contact us directly: [e-mail]
-Thank you
PHOTOSMART C4600/4700/D110a ERROR MESSAGES - NOT RECOGNIZING CARTRIDGE (HP 60s)
Regarding your recent inquiry about the HP 60XL cartridge error message (“Incompatible Print
Cartridges”) and inability to print with your HP PHOTOSMART C4600 printer, this type of error is either
an electrical connection issue between the printer and the cartridge, or more likely, an internal micro -
electronic failure inside one of the ink cartridges (please note that it is very rare for both ink cartridges
to electrically fail at the same time). Does the printer provide an indication/message as to which ink
cartridge is causing the current error condition?
An electronic failure of the cartridge would be unrelated to the ink cartridge refill proces s; these same
failures can (and frequently do) occur with brand new ink cartridges.* To help identify the root cause
please run the 'Tap 41' cartridge's electrical / diagnostic tests below (refer to B. and C), this will also
identify which ink cartridge is causing the issue:
NOTE: “Empty” and “Low Ink” alerts are COMPLETELY NORMAL for all newer HP integrated ink
cartridges which have been refilled! While at first this may be an unusual workflow, it does allow print
operations to proceed. The ink level monitoring feature cannot be reset (i.e. in the newer line of
integrated ink cartridges, HP blows the ink monitoring resistors inside the cartridge the first time it is
used - thus it is impossible to reset them). Printer nuisance messages may also be ignored:
http://inkjet411.com/?page_id=420
Please first verify the age of the ink cartridge(s)....look at imprinted date on front of ink cartridge. If this
‘warranty expiration date’ has expired, then potential internal electrical cartridge failures can occur due
to internal corrosion, etc.