4.2.4.2 FAX
4.2.4.2(a) FAX/TELEPHONE Precautions
PROBLEM ITEMS TO BE CHECKED HOW TO SOLVE
TEL LINE
CANNOT BE
ENGAGED
(NO DIAL TONE)
• When you press “ OHD” key:
a) Check line cord connection.
b) Check MAIN LIU harness, and
CN2 of the LIU PBA.
a) insert it correctly into the connection jack
called “line”.
b) Replace defective parts.
Cannot MF dial • Check MAIN-LIU harness. • Replace defective parts.
MF dial is
possible but
not DP dial.
• Check the LIU PBA. • Replace LIU PBA.
Defective fax
transmission
• Check MAIN LIU harness.
• Check ‘hook off’ : Refer to ‘TEL
LINE CANNOT BE ENGAGED’
above.
• Check transmission path and
reception path of the LIU PBA.
• Replace defective parts.
• Refer to ‘TEL LINE CANNOT BE ENGAGED’
above.
• Replace main PBA, if abnormal.
• Replace LIU PBA.
Replace main PBA.
Defective
automatic fax
reception
• Is the ring checked?
• Refer to ‘Defective Transmission.’
• Replace LIU PBA if it cannot be checked.
• Refer to ‘Defective Transmission’.
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