Lexmark Optra E 4026-0 Series Reference Handbook page 211

HARDWARE TESTS
LCD Test
Sensor Tests
Toner Low
Output Bin
Input
Exit
Cover Open
Button Test
Parallel Confidence
Wrap Tests
Parallel
Serial
Memory Tests
DRAM
ROM
PAGE COUNTS
Page Count
Permanent Page Count
Maintenance Count
PAPER FEED TESTS
Tray 1
Tray 2
Tray 3
Feeder
Feeder 1
Feeder 2
Manual
DUPLEX TESTS
Top Margin
Duplex Quick Test
Duplex Feed 1
Duplex Feed 2
DEVICE TESTS
Disk Test/Clean
Quick Disk Test
Flash Test
8-14
Laser Printer Reference Handbook