Lexmark 4021 User Manual page 210

Troubleshooting
Incorrect characters print
Action
Step 1
Make sure that the printer is not in Hex Trace mode.
Note: If Ready Hex appears on the display, then turn off the
printer, and then turn it back on to deactivate Hex Trace mode.
Is the printer in Hex Trace mode?
Step 2
a
From the control panel, select Standard Network or
Network [x], and then set PCL SmartSwitch or PS SmartSwitch
to On.
b
Resend the print job.
Do incorrect characters print?
Job prints from the wrong tray or on the wrong paper
Action
Step 1
a
Check if you are printing on paper that is supported by the tray.
b
Resend the print job.
Did the job print from the correct tray or on the correct paper?
Step 2
a
From the Paper menu on the printer control panel, set the paper
size and type to match the paper loaded in the tray.
b
Resend the print job.
Did the job print from the correct tray or on the correct paper?
Step 3
a
Depending on your operating system, open Printing
Preferences or the Print dialog, and then specify the paper type.
b
Resend the print job.
Did the job print from the correct tray or on the correct paper?
Step 4
a
Check if the trays are not linked.
b
Resend the print job.
Did the job print from the correct tray or on the correct paper?
Yes No
Deactivate Hex Go to step 2.
Trace mode.
Contact customer The problem is
support. solved.
Yes No
The problem is Go to step 2.
solved.
The problem is Go to step 3.
solved.
The problem is Go to step 4.
solved.
The problem is Contact
solved. support.
210
customer