Lexmark T520 - 20ppm 8MB Par USB Pcl6 Ps3 Ppds Service Manual page 58

4520-xxx
User Line 2 Messages
If none of the conditions exist that are listed in the following table,
line 2 is blank. If any of the messages in the table are displayed the
following actions can be taken:
Press Menu to take the printer offline and access the Ready Menu
group. The Menu buttons are not active if Menu Lockout is turned
on.
Press Stop to take the printer offline. The Not Ready message is
displayed. No more data is processed from the host computer. Press
Go to return the printer to the Ready state.
User Message
Toner Low
Tray X Missing
2-30
Service Manual
Explanation
If the toner cartridge is low, then "Toner Low"
displays. The Toner Low condition clears
whenever the upper front door is opened, and
Toner Low displays again if the condition exists
after the upper front door is closed.
If any of the input trays are missing, then "Tray X
Missing" displays (where X designates which Tray
(1 through 5) is missing. If multiple trays are
missing, they are prioritized in this order: Tray 1,
2..., then Tray 5. Tray X Missing status clears
whenever Tray X is reinserted.