8-bin Mailbox Operation Power-on Sequence During the power-on sequence, the Delivery Head Assembly moves first to the top “home” position at the Face-up Bin. From that position the delivery head moves down, scanning to determine if all the Mailbox bins are installed, if they contain paper, and if they are full. Then the Delivery Head proceeds upward again to the home position and remains there for about 7 seconds. Finally, the Delivery Head Assembly moves to the bottom bin, where it waits for the next command from the Paper Handling Controller.
Note If one of the bins has been removed or is not seated correctly, the Delivery Head Assembly will not complete the scan and will send an error message to the printer control panel. Receiving Paper The printer delivers paper to the 8-bin Mailbox through the left output delivery slot (Input Paper Guide) at a rate of 107 mm per second. Paper arrival is sensed by the PSEntry sensor, which activates the Flipper Roller Motor (M2), causing the paper to move through the 8- bin Mailbox transport and delivery system. See figure 5-23 on page 132.
Delivering Paper The Delivery Head Assembly on the 8-bin Mailbox moves or stays in the indicated bin according to the commands coming from the Paper Handling Controller on the printer. If paper is designated for the Face- up Bin, the 8-bin Mailbox feeds it through the Flipper Assembly. If paper is designated for one of the Face-down bins, the 8-bin Mailbox feeds it through the Flipper Assembly until the trailing edge is sensed by the PSFaceUp sensor. Then the Flipper Roller Motor (M2) reverses and feeds the paper down between the Transport Belt and the Metal Tape until it reaches the Delivery Head Assembly.
Configuring the Operating Modes The network administrator chooses the mode of operation through an HP network configuration utility, such as the HP JetAdmin utility or the HP LaserJet utility for the Macintosh. Additionally, on all workstations that print to the printer, the printer driver might need to be set up to reflect the chosen operating mode. C4085-91087 Paper Paths and Components 135