HP 8550dn HP Color LaserJet 8550, 8550N, 8550DN, 8550GN, 8550MFP Printer - Use - Page 150

Message Description Recommended Action LOCK TONER LEVER The blue lever inside the clear door is not locked. Open the front door of the printer, open the clear door, and swing the blue toner lock lever to the right. Remove the toner cartridge, and then reinstall it, making sure the cartridge is all the way in the printer. Swing the blue toner lock lever to the left until it clicks, and then close the clear and front doors. MAILBOX X A mailbox on the multi-bin OUTPUT BIN FULL mailbox is full. Remove all media from the mailbox to continue printing. MAILBOX COMM ERROR CHECK CABLES AND CYCLE POWER MAILBOX NOT ATTACHED X indicates mailbox 1 through 8. Indicates a communication error between the multi-bin mailbox and the printer. Verify that the communication and power cables are connected. Press GO to continue printing. If the message persists, turn the printer off and on to reset the printer. If the condition still persists, contact a local authorized HP dealer or service representative for service. The multi-bin mailbox is not correctly attached to the printer. Push the mailbox up against printer. Verify that the wheels on the multi-bin mailbox are not hitting tray 4 and preventing the multi-bin mailbox (optional) from attaching to the printer. EN Printer Messages 149