Lexmark X5450 User's Guide - Page 106

Fax troubleshooting, Cannot send or receive a fax

Page 106 highlights

Fax troubleshooting • "Cannot send or receive a fax" on page 106 • "Can send but not receive faxes" on page 107 • "Can receive but not send faxes" on page 108 • "Printer receives a blank fax" on page 109 • "Received fax has poor print quality" on page 109 • "Caller ID information is not displayed" on page 110 Cannot send or receive a fax Check messages If an error message is displayed, follow the instructions on the error message dialog. Check power If the light is not on, see "Power button is not lit" on page 97. Check cable connections Make sure cable connections for the following hardware are secure, if applicable: • Power supply • Telephone • Handset • Answering machine Check the telephone wall jack 1 Plug a telephone into the wall jack. 2 Listen for a dial tone. 3 If you do not hear a dial tone, plug a different telephone into the wall jack. 4 If you still do not hear a dial tone, plug a telephone into a different wall jack. 5 If you hear a dial tone, connect the printer to that wall jack. Review digital phone service checklist The fax modem is an analog device. Certain devices can be connected to the printer so that digital telephone services can be used. • If you are using an ISDN telephone service, connect the printer to an analog telephone port (an R-interface port) on an ISDN terminal adapter. For more information and to request an R-interface port, contact your ISDN provider. • If you are using DSL, connect to a DSL filter or router that will support analog use. For more information, contact your DSL provider. • If you are using a PBX telephone service, make sure you are connecting to an analog connection on the PBX. If none exists, consider installing an analog telephone line for the fax machine. For more information on faxing when using a PBX telephone service, see "Setting up to fax while behind a PBX" on page 79. Verify dial tone • Place a test call to the telephone number to which you want to send a fax to make sure that it is working correctly. • If the telephone line is being used by another device, wait until the other device is finished before sending a fax. • If you are using the On Hook Dial feature, turn up the volume to verify a dial tone. Disconnect other equipment temporarily To ensure the printer is working correctly, connect it directly to the telephone line. Disconnect any answering machines, computers with modems, or telephone line splitters. Troubleshooting 106

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Fax troubleshooting
“Cannot send or receive a fax” on page 106
“Can send but not receive faxes” on page 107
“Can receive but not send faxes” on page 108
“Printer receives a blank fax” on page 109
“Received fax has poor print quality” on page 109
“Caller ID information is not displayed” on page 110
Cannot send or receive a fax
Check messages
If an error message is displayed, follow the instructions on the error message dialog.
Check power
If the
light is not on, see “Power button is not lit” on page 97.
Check cable
connections
Make sure cable connections for the following hardware are secure, if applicable:
Power supply
Telephone
Handset
Answering machine
Check the telephone
wall jack
1
Plug a telephone into the wall jack.
2
Listen for a dial tone.
3
If you do not hear a dial tone, plug a different telephone into the wall jack.
4
If you still do not hear a dial tone, plug a telephone into a different wall jack.
5
If you hear a dial tone, connect the printer to that wall jack.
Review digital phone
service checklist
The fax modem is an analog device. Certain devices can be connected to the printer so that
digital telephone services can be used.
If you are using an ISDN telephone service, connect the printer to an analog telephone
port (an R-interface port) on an ISDN terminal adapter. For more information and to
request an R-interface port, contact your ISDN provider.
If you are using DSL, connect to a DSL filter or router that will support analog use. For
more information, contact your DSL provider.
If you are using a PBX telephone service, make sure you are connecting to an analog
connection on the PBX. If none exists, consider installing an analog telephone line for
the fax machine. For more information on faxing when using a PBX telephone service,
see “Setting up to fax while behind a PBX” on page 79.
Verify dial tone
Place a test call to the telephone number to which you want to send a fax to make sure
that it is working correctly.
If the telephone line is being used by another device, wait until the other device is
finished before sending a fax.
If you are using the On Hook Dial feature, turn up the volume to verify a dial tone.
Disconnect other
equipment
temporarily
To ensure the printer is working correctly, connect it directly to the telephone line.
Disconnect any answering machines, computers with modems, or telephone line splitters.
Troubleshooting
106