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NOTE: Unfortunately, alignment pages and internal self test prints will usually print Ok even if the cartridge is internally electrically damaged. and C), this will identify which ink cartridge is causing the issue: An electronic failure of the cartridge would be unrelated to the ink cartridge refill process 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.
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Regarding your recent inquiry about the HP 60 cartridge error message ("E in display window") and inability to print with your HP Deskjet F4280 printer, this type of error is normally associated to an electrical connection issue between the printer and the cartridge, or more likely, an internal micro-electronic failure inside the cartridge itself (please note that it is very rare for both ink cartridges to electrically fail at the same time).
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