Lexmark 90P3000, PRO4000C manual Duplex Unit Missing, Ink Cartridge Access Door Open

Troubleshooting 143

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.