when to change your hp no. 81/hp no. 83 supplies is mostly determined by you with guidance from the front panel. in conjunction with the messages displayed in the front panel and the message explanations in printhead status messages.
printhead statistics
printhead removal
printhead installation
printhead statistics
the information supplied is:
· the manufacturer of the ink cartridge (hp no. 81 or hp no. 83 is recommended).
· the status.
· warranty status.
· re-order part number.
· the amount of time the printhead has been in the printer and powered on.
· the amount of ink consumed.
click on

this icon to run the animation sequence.
a printable version of the sequence is also available so that you can take the key illustrations to the printer, if it is remote from your computer.

printhead removal
printhead replacement must be performed with the printer switched on at the power isolation switch which is located at the rear of the printer.
click on

this icon to run the animation sequence.
a printable version of the sequence is also available so that you can take the key illustrations to the printer, if it is remote from your computer.

printhead installation
the printhead is designed to prevent you from accidentally inserting it into the wrong position.
check that the colored label on the printhead matches the colored label of the carriage assembly position that the printhead is to be inserted in. do not confuse the light cyan printhead with the dark cyan position in the carriage.
· before you replace the printhead, it is recommended that you clean the carriage assembly as shown in carriage interconnect wiper.
· if the front panel displays an error message, see printhead status messages.
· whenever you install a printhead the printer will automatically perform the alignment procedure.
click on

this icon to run the animation sequence.

a printable version of the sequence is also available so that you can take the key illustrations to the printer, if it is remote from your computer.