Alignment and Troubleshooting
4-41
Service Manual
4.3.2.2 FAX
4.3.2.2(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.
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 main PBA.
• Replace main PBA.
Defective fax
transmission
• Check MAIN LIU harness.
• Check ‘hook off’ : Refer to ‘TEL
LINE CANNOT BE ENGAGED’
above.
• Replace defective parts.
• Refer to ‘TEL LINE CANNOT BE ENGAGED’
above.
• Replace main PBA, if abnormal.
Defective
automatic fax
reception
• Is the ring checked?
• Refer to ‘Defective Transmission.’
• Refer to ‘Defective Transmission’.
Summary of Contents for 2355 Mono Laser
Page 1: ...Dell 2355dn Service Manual 29 Jul 2010 ...
Page 109: ......
