Cannot scan to a computer over a network
Review scanning steps
See “Scanning to a computer over a network” on page 122.
Fax troubleshooting
•“Cannot send or receive a fax” on page 162
•“Can send but not receive faxes” on page 163
•“Can receive but not send faxes” on page 164
•“Printer receives a blank fax” on page 165
•“Received fax has poor print quality” on page 165
•“Caller ID information is not displayed” on page 166
Cannot send or receive a fax
Check messages
Check power
Check cable connections
Check the telephone wall jack
Review digital phone service checklist
Verify dial tone
Disconnect other equipment temporarily
Check for paper jams
If an error message is displayed, follow the instructions on the error message dialog.
If the 
light is not on, see “Power button is not lit” on page 151.
Make sure cable connections for the following hardware are secure, if applicable:
•Power supply
•Telephone
•Handset
•Answering machine
1Plug a telephone into the wall jack.
2Listen for a dial tone.
3If you do not hear a dial tone, plug a different telephone into the wall jack.
4If you still do not hear a dial tone, plug a telephone into a different wall jack.
5If you hear a dial tone, connect the printer to that wall jack.
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
•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 136.
•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.
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.
Check for and clear any paper jams.
