HP laserjet 3390, 3392 all-in-one Manuale Di Servizio

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Supplies
A Supplies Status page with a print cartridge gauge shows the supply levels that remain
(HP supplies only).
No-shake cartridge design
Authentication for HP print cartridges
Enabled supplies-ordering capability
Accessibility
Online user guide that is compatible with text screen-readers
Print cartridges can be installed and removed by using one hand.
All doors and covers can be opened by using one hand.
Table A-3
  Performance (continued)
326
Appendix A   All-in-one specifications
ENWW