Service Manual
Troubleshooting
7-18
7.4.3 Defective FAX FORWARD/RECEIVE
• Description
The FAX FORWARD/RECEIVE is not functioning.
Check and Cause
Solution
1. Check if you can catch a dial tone by pressing
OHD.
2. Check if you can catch a RECEIVE tone while
MODEM testing in the TECH Mode.
1. If the MODEM testing is normal and there is no dial
tone, then try to replace the LIU B'd.
2. If the MODEM testing is abnormal, try to replace the
Main B'd.
7.4.4 Defective FAX FORWARD
• Description
RECEIVE is functioning, but FORWARD is not functioning or the received data are broken.
Check and Cause
Solution
1. Check if there is NOISE when pressing on-hook
dial.
2. Check the RECEIVE condition by trying to forward
a FAX to another fax machine from the forwarding
side FAX.
3. Check if the telephone line connected to the
Product is contaminated or gets stripped off or
down.
1. If it makes NOISE while using on-hook dial, replace or
repair the telephone line.
Summary of Contents for 1815 Mono Laser
Page 1: ...Dell 1815dn Service Manual 27 Mar 2006 ...
Page 28: ...Service Manual System Outline 4 10 ...
Page 126: ...Exploded View Parts List Service Manual 8 3 8 2 Cover Ass y 0 1 2 2 3 2 1 2 2 3 4 5 5 1 5 2 6 ...
Page 127: ...Service Manual Exploded View Parts List 8 4 8 3 Middle Cover Ass y 0 1 2 3 4 5 6 6 ...
Page 129: ...Service Manual Exploded View Parts List 8 6 8 5 Rear Cover Ass y 0 1 2 3 7 4 5 6 8 ...
Page 131: ...Service Manual Exploded View Parts List 8 8 8 7 Fuser Drive Ass y 0 1 2 3 5 5 6 7 8 9 4 ...
Page 132: ...Exploded View Parts List Service Manual 8 9 8 8 Main Drive Ass y 0 2 4 1 3 5 6 8 7 6 7 3 ...
Page 136: ...Exploded View Parts List Service Manual 8 13 8 12 OPE Unit 0 1 2 3 4 5 6 7 8 ...
Page 149: ...Block Diagram Service Manual 9 1 9 9 9 Block Diagram ...
Page 150: ...Connection Diagram Service Manual 10 1 10 10 10 Connection Diagram ...