HP PCL/PJL reference - Printer Job Language Technical Reference Manual

EN Product-Specific Feature Support A-65
HP Color LaserJet 8500 Series Comments
As part of its paper stacking flexibility, the HP Color LaserJet 8500
printer allows the user to switch the Mail Box Mode (MBM) to any of
the following three settings:
• Stacker
• Separator
•Mailbox
The preferred way to change the Mail Box Mode is using the printer's
control panel. This feature is usually controlled by the printer
administrator and can be programmatically set using HP JetAdmin.