HP Jet Fusion 300 User Guide - Page 105

Table 15-3 Operations (continued) Frequency Maintenance operation When needed Clean the printing cap Part description Usage-based maintenance operations Table 15-4 Maintenance operations Frequency Maintenance operation Part description Once every 2 months Once every 3-5 months Once every 3-7 months Once every year Once every 5 years Replace the cleaning roll on page 121 Printhead cleaning roll Replace the material reclamation filter on page 126 Air-exhaust filter Replace the air exhaust filter on page 129 Replace a printhead on page 132 Replace the print-area filter on page 140 Replace the air intake filter on page 143 Replace the printhead cap on page 146 Air-exhaust filter HP 3D400 Printhead Kit Print-area filter Air-intake filter Printhead cap Clean the print area Tools needed ● Explosion-protected vacuum cleaner with a soft brush nozzle ● Nitrile gloves (required) ● Mask (recommended) ● Protective eyewear (recommended) 1. Open the top cover. Part number Time Part numbers 8WA30A 8WA29A 8WA29A V1Q67A 8WA28A 8WA27A Time 5 min 5 min 5 min 90 min 5 min 5 min 2 min Usage-based maintenance operations 99