
Troubleshooting for Faxing
Cannot send and receive fax
❏ Make sure the phone cable is connected correctly and check that the phone line works. You can check the line
status by using the Check Fax Connection function.
& “Connecting to a Phone Line” on page 93
❏ If the fax could not be sent, make sure that the recipient’s fax machine is turned on and working.
❏ If this product is not connected to a phone and you want to receive faxes automatically, make sure you turn on auto
answer.
& “Receiving Faxes” on page 105
❏ If you connected the product to a DSL phone line, you must install a DSL filter on the line otherwise you cannot
fax. Contact your DSL provider for the necessary filter.
❏ If you connected this product to a PBX (Private Branch Exchange) phone line or a Terminal Adapter, change the
Line Type setting to PBX.
& “Setting the line type” on page 96
If you still cannot send a fax, change the Dial Tone Detection setting to Off. However, doing so may drop the first
digit of a fax number and send the fax to the wrong number.
& “Setup Mode - Fax Settings” on page 129
❏ Transmission speed may be the cause of the problem. Lower the Fax speed setting. If sending a fax to a specific
recipient in the Contacts list often fails, set a lower fax speed for that recipient in the Speed Dial Setup menu.
& “Setup Mode - Fax Settings” on page 129
❏ Make sure that ECM is turned on. Color faxes cannot be sent and received when ECM is off.
& “Setup Mode - Fax Settings” on page 129
❏ Try the following if you cannot send or receive faxes because the memory is full.
- If your product is set to save received faxes in the Inbox, delete received faxes you have already seen or printed
from the Inbox.
- If your prod uct is set to save re ceived faxes on a c omput er or an external memory device, turn on the computer or
connect the device to save the faxes to the computer or device.
- If an error occurs because of a paper jam or expended ink cartridges when receiving a fax, clear the error and ask
the sender to send the fax again.
- Even if the memory is full, you can send a monochrome fax to a single recipient by enabling the Direct Send
option.
- Send your documents in several batches.
Quality problems (sending)
❏ Clean the scanner glass and Automatic Document Feeder (ADF).
& “Cleaning the exterior of the product” on page 156
❏ If the fax you sent was faint or not clear, change the Resolution or Contrast in the fax settings menu.
& “Fax Mode” on page 118
User’s Guide
Troubleshooting for Faxing
195
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