Lexmark T620 Service Manual page 168

4069-5XX/7XX
Tests
Hardware Tests
If selected, the following menu selections are
available:
1.LCD Test (Operator Panel)
2.Button Test (Operator Panel)
3.DRAM Memory Test
4.ROM Memory Test
5.Parallel Wrap Test (Displayed if configured
with Standard Parallel Port)
6.Parallel 1 Wrap (only displayed if port
available via PCl in slot 1)
7.Parallel 2 Wrap (only displayed if port
available via PCl in slot 2)
8.Serial Wrap (only displayed if printer
configured with Serial Port)
9.Serial 1 Wrap (only displayed if serial port)
available via PCl slot 1)
10.Serial 2 Wrap (only displayed if serial port
available via PCl slot 2)
Duplex Tests (is displayed only if option
installed)
1.Quick Test
2.Top Margin
3.Sensor Test
4.Motor Test
5.Duplex Feed 1
6.Duplex Feed 2
3-2
Service Manual
Refer to Test Page
"Hardware Tests" on
page 3-14
"Duplex Tests" on
page 3-8