Service Manual
Page 418
For HP Color LaserJet 8550 printer models (except for the MFP model), estimates of the amount of toner remaining in each input tray. 6 Security-shows whether the security features have been installed, such as the printer ..., DIMMs, duplexer, multi-bin mailbox, and optional input trays. 3 Consumables: % of life remaining-shows the percentage of the maximum rated life remaining for the transfer kit, fuser kit, and drum kit.
For HP Color LaserJet 8550 printer models (except for the MFP model), estimates of the amount of toner remaining in each input tray. 6 Security-shows whether the security features have been installed, such as the printer ..., DIMMs, duplexer, multi-bin mailbox, and optional input trays. 3 Consumables: % of life remaining-shows the percentage of the maximum rated life remaining for the transfer kit, fuser kit, and drum kit.