Lexmark 90P3000 All in One Printer User Manual


 
Duplex Unit Missing
Try one or more of the following:
Make sure the duplex unit is properly installed at the back of the printer to clear the message.
Cancel the current job.
Ink Cartridge Access Door Open
The ink cartridge access door is either open or detached.
If the ink cartridge access door is open, then close it to clear the message.
If the ink cartridge access door is detached, then reattach it to clear the message.
Troubleshooting 143