Monday, April 6, 2009

HP 4240/4250/4350/4500/4550


HP 4240/4250/4350 Printers:

  1. Turn the printer power off and then on
  2. When 000MB (beginning of the memory count) appears on the control panel display, press and hold down SELECT (checkmark button). Continue holding down SELECT until all 3 printer control panel lights flash once and then stay on (This may take up to 10 seconds)
  3. Release SELECT and press the UP arrow to scroll to NEW MAINTENANCE KIT
  4. Press SELECT to reset the maintenance kit counter

HP 4500/4550 Printers:

  1. Turn the printer off
  2. 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
  3. Press the right side of the MENU key, then press the SELECT key
  4. You will enter SERVICE MODE after the normal test completes
  5. Press the ITEM key until the FUSER MAINTENANCE COUNT appears
  6. Press VALUE +/- to change to zero
  7. Press SELECT to save
  8. Press GO; the printer should return to READY

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