Dell 2355DN Service Manual page 81

4.3.2.2 FAX
4.3.2.2(a) FAX/TELEPHONE Precautions
PROBLEM
TEL LINE • When you press " OHD" key:
CANNOT BE a) Check line cord connection.
ENGAGED
(NO DIAL TONE)
Cannot MF dial • Check MAIN-LIU harness.
MF dial is • Check the main PBA.
possible but
not DP dial.
Defective fax • Check MAIN LIU harness.
transmission • Check 'hook off' : Refer to 'TEL
LINE CANNOT BE ENGAGED'
above.
Defective • Is the ring checked?
automatic fax • Refer to 'Defective Transmission.'
reception
Service Manual
Alignment and Troubleshooting
ITEMS TO BE CHECKED HOW TO SOLVE
a) insert it correctly into the connection jack
called "line".
b) Replace defective parts.
• Replace defective parts.
• Replace main PBA.
• Replace defective parts.
• Refer to 'TEL LINE CANNOT BE ENGAGED'
above.
• Replace main PBA, if abnormal.
• Refer to 'Defective Transmission'.
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