Technical information

limited print operations by performing the cartridge error bypass (checksum code clear) procedure. Verify the

cartridge(s) are thoroughly clean and firmly reseat cartridges before performing any advanced clears or tests, such

as the Tap 41 (or Tap 10) diagnostic test. Verify ink cartridge’s warranty expiration date (imprinted on front of ink

cartridge) before refilling as the cartridge might be at risk for potential failure due to internal electrical damage.

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NOTE: After the HP 901 ink cartridges are refilled a variety of error messages may be observed at the printer

and/or host computer. The printer will continue to attempt to communicate low ink warning messages during the

life of the refilled ink cartridge – this is normal and nothing to be alarmed over. While the ink level cannot be

tracked or reset in the HP Officejet J4500 thru J4600 and 4500 series printers, the majority, if not all, of these

warning messages and/or steady indicator lights, may simply be ignored and the printer should continue to printer

normally. Ink level warnings and indicators provide estimates for planning purposes only.

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HP21 / HP22 / HP27 & HP54 / HP56 / HP57 / HP58 Ink Refill

& Cartridge Care Tips

Inkjet Printer

Title:

HP 21 / HP22 / HP27 & HP 54 / HP56 / HP57 / HP58 Ink Refill & Cartridge Care Tips – HP Deskjet / Officejet Printers

Description: When using HP21 / HP22 / HP27 or HP 54 / HP56 / HP57 / HP58 refilled inkjet ink cartridges, it is suggested to

adhere to these general guidelines to help minimize accidental cartridge damage. This includes cartridge

transportation to and from a refill location, general cartridge and printer care, and print diagnosis and general ink

cartridge recovery.

NOTE: After the HP 21/22/27 or HP 54/56/57/58 ink cartridges are refilled a variety of cartridge alerts may be

observed at the printer and/or host computer. The printer will continue to attempt to communicate "low ink"

warning messages during the life of the refilled ink cartridge -- this is COMPLETELY NORMAL and nothing to be

alarmed over. While the ink level cannot be tracked or reset, the majority, if not all, of these warning messages

and/or steady indicator lights, can simply be ignored and the printer should continue to printer normally. Ink level

warnings and indicators provide estimates for planning purposes only. Additional nuisance messages may al so be

observed following initial refilled cartridge installation including 'non-genuine ink/cartridge', 'depleted cartridge',

'refilled cartridge', 'counterfeit', etc. These alerts messages may be bypassed by selecting ‘OK’/’Resume’/’Dismiss’.

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Cartridges, Print Cartridges Missing, Not Detected, error, Printer, Problem, Installed Incorrectly, message, refilled,

Depleted Cartridge Detected, Not intended for use, In this product, in wrong slot, not printing, ink out, will not