Troubleshooting

Solving fax problems

The following solutions will help solve fax quality problems or solve fax problems. For additional information, see Fax tips.

Symptom

Solution

The fax document takes a long

Touch Options, then under Content, change the setting to Text, and then set the

time to transmit.

resolution to Standard.

 

 

The images on the fax I sent are

Touch Options, then under Content, change the setting to Text/Photo or Photo.

not clear.

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.

 

 

Solving paper feed problems

Symptom

Cause

Solution

The Paper Jam

You have not pressed Continue

Clear the entire paper path, and then press Continue.

message remains after

or have not cleared the entire

See Clearing jams for more information.

you remove the jammed

paper path.

 

paper.

 

 

 

 

 

Original documents

The guides are not adjusted

Adjust the guides toward the media until they lightly rest

misfeed in the ADF.

properly.

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 pick pad may be worn.

Replace the pick pad.

the ADF.

 

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.

 

 

 

Paper sticks to the

The ADF glass has become

• Open the ADF document cover.

scanner glass.

contaminated with ink, toner

• Dampen a clean, lint-free cloth or cotton swab with

 

particles, or paper coatings.

isopropyl alcohol (95%).

 

 

• Wipe the feed roller by moving the cloth or swab from

 

 

side to side.

 

 

Rotate the roller forward with your finger, and repeat the

 

 

last step until the entire roller is cleaned.

 

 

 

Solving fax problems

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Lexmark C77x manual Solving fax problems, Solving paper feed problems, Symptom Cause Solution