Your caller ID is blocked.
Solutions
Contact your telecommunication company to unblock your caller ID. Some phones or fax machines
automatically reject anonymous calls.
The recipient's fax number is wrong.
Solutions
Check that the recipient's number registered in your contacts list or that you entered directly using the
keypad is correct. Or, check with the recipient that the fax number is correct.
The recipient's fax machine is not ready to receive faxes.
Solutions
Ask the recipient if the recipient's fax machine is ready to receive a fax.
Sending a fax accidently using the subaddress feature.
Solutions
Check if you accidentally sent a fax using the subaddress feature. If you select a recipient with a
subaddress from the contact list, the fax may be sent using the subaddress feature.
The recipient's fax machine is not capable of receiving faxes using the subaddress feature.
Solutions
When sending faxes using the subaddress feature, ask the recipient if their fax machine is capable of
receiving faxes using the subaddress feature.
The subaddress and password are wrong.
Solutions
When sending faxes using the subaddress feature, check that the subaddress and password are correct.
Check with the recipient that the subaddress and password match.
The data being sent is too large.
Solutions
You can send faxes at a smaller data size using one of the following methods.
❏
When you send the fax in monochrome, enable
Direct Send
in
Fax
>
Fax Settings
>
Fax Send
Settings
.
“Sending Many Pages of a Monochrome Document (Direct Send)” on page 139
❏
Using the connected phone
“Sending Faxes Dialing from the External Phone Device” on page 137
❏
Using On Hook
“Sending Faxes Manually After Confirming the Recipient's Status” on page 136
❏
Separating the originals
>
The Printer Does Not Work as Expected
>
242