Lexmark C772 User Guide

Page of 113
Solving fax problems
101
Troubleshooting
Solving fax problems
The following solutions will help solve fax quality problems or solve fax problems. For additional information, see 
Solving paper feed problems
Symptom
Solution
The fax document takes a long 
time to transmit.
Touch 
Options, then under Content, change the setting to Text, and then set the 
resolution to Standard.
The images on the fax I sent are 
not clear.
Touch 
Options, then under Content, change the setting to Text/Photo or Photo.
Increase the output resolution.
Note: This will increase the amount of time required for the scan and will increase the 
quality of the fax output.
Caller ID is not shown
If your region supports caller ID, you may have to change the default setting. There 
are two settings available, FSK (pattern 1) and DTMF (pattern 2). Contact your 
telecommunications company to determine which pattern or switch setting to use.
Symptom
Cause
Solution
The Paper Jam 
message remains after 
you remove the jammed 
paper. 
You have not pressed 
Continue 
or have not cleared the entire 
paper path.
Clear the entire paper path, and then press
 
Continue.
See 
Clearing jams for more information.
Original documents 
misfeed in the ADF.
The guides are not adjusted 
properly.
Adjust the guides toward the media until they lightly rest 
against the edge of the media.
The pick pad may be worn.
Replace the pick pad.
See 
Ordering an ADF pick roller for more information.
Multiple pages feed into 
the ADF.
The pick pad may be worn.
Replace the pick pad.
See 
Ordering an ADF pick pad for more information.
The pick roller may be worn.
Replace the pick roller.
See 
Ordering an ADF pick roller for more information.