Lexmark MS821

Optional 250- and 550-sheet tray operation
250‑ and 550‑sheet tray paper path rollers
1 Transport rollers
2 Pick roller
3 Pass‑through path
4 Feed path
Paper from the optional trays is fed into the printer through the pick rollers.
Multiple optional trays use the transport rollers to receive paper from the lower trays.
4064
Theory of operation
882