Resetter HP4000,4050,4100,5000,4500,4550

Printers HP 4000, 4050, 4100, 5000 Message Reset Methods

* Turn the printer off
* Hold down the left side of the ITEM and VALUE +/- keys
* turn the printer on and wait until RESET MAINTENANCE COUNT is displayed
* then release the keys

Printers HP 4500, 4550 Message Reset Methods

* Turn the printer off
* Hold down the CANCEL JOB and SELECT keys and turn the printer on, then wait until the display goes blank and the three LED’s come on
* Press the right side of the MENU key, then press the SELECT key
* You will enter SERVICE MODE after the normal test completes
* Press the ITEM key until the FUSER MAINTENANCE COUNT appears
* Press VALUE +/- to change to zero
* Press SELECT to save
* Press GO; the printer should return to READY