Service Manual
Troubleshooting
7-18
Samsung Electronics
7.4.5 Defective FAX RECEIVE (1)
• Description
FORWARD is functioning, but RECEIVE is not functioning or the received data is corrupt.
Check and Cause
Solution
1. Check if there is a NOISE line by pressing on-hook
dial and listening
2. Use a different fax machine to receive from the
same sender (if possible on the same wall socket).
1. If you can hear a noisy line when using on-hook dial,
replace or repair the telephone line.
2. Replace the LIU.
Check and Cause
Solution
1. Check if there is a NOISE line by pressing on-hook
dial and listening
2. Ask sender to send to another fax machine
(if possible connected to the same wall socket)
1. If you can hear a noisy line when using on-hook dial,
replace or repair the telephone line
2. Replace LIU or main PBA in sequence.
Check and Cause
Solution
Check that the RECEIVE Mode is set to FAX MODE.
If the fault persists even when the RECEIVE Mode is
changed to FAX MODE then replace the LIU and the
Main B'd in sequence.
7.4.6 Defective FAX RECEIVE (2)
• Description
Received data are lengthened or cut in the printing.
7.4.7 Defective FAX RECEIVE (3)
• Description
The phone is ringing continuously, but it set does not answer the call.
Summary of Contents for SCX-4520
Page 10: ...Service Manual Reference Information 2 4 Samsung Electronics 2 3 2 A4 2 Pattern ...
Page 11: ...Reference Information Samsung Electronics Service Manual 2 5 2 3 3 A4 IDC 5 Patten ...
Page 14: ...Service Manual Reference Information 2 8 Samsung Electronics MEMO ...
Page 24: ...Service Manual Specifications 3 10 Samsung Electronics MEMO ...
Page 27: ...Summary of Product Service Manual 4 3 Samsung Electronics 4 1 3 Control Panel SCX 4720F ...
Page 28: ...Service Manual Summary of Product 4 4 Samsung Electronics ...
Page 51: ...Summary of Product Service Manual 4 27 Samsung Electronics MEMO ...
Page 163: ...Service Manual Exploded View Parts List 8 28 Samsung Electronics MEMO ...
