❏ Check if the sender's fax number is registered in the contacts list. Faxes sent from numbers that have not been
registered to this list are blocked when Unregistered Contacts in Rejection Fax is enabled.
Related Information
& “Basic Settings” on page 138
& “Cannot Send or Receive Faxes” on page 199
& “Memory Full Error Occurs” on page 202
Memory Full Error Occurs
❏ If the printer has been set to save received faxes in the inbox, delete faxes you have already read from the inbox.
❏ If the printer has been set to save received faxes on a computer, turn on the computer that is set to save the
faxes. Once the faxes are saved in the computer, they are deleted from the printer's memory.
❏ Even though the memory is full, you can send a monochrome fax by using the Direct Send feature. Or you can
also send a fax by dialing from the external phone device.
❏ If the printer cannot print a received fax due to a printer error, such as a paper jam, the memory full error may
occur. Clear the printer problem, and then contact the sender and ask them to send the fax again.
Related Information
& “Saving Received Faxes in the Inbox” on page 124
& “Sending Many Pages of a Monochrome Document (Direct Send)” on page 119
& “Sending Faxes Dialing from the External Phone Device” on page 118
& “Removing Jammed Paper” on page 176
Sent Fax Quality Is Poor
❏ Clean the scanner glass.
❏ Clean the ADF.
❏ Change the Density setting on the control panel.
❏ If you are not sure about the capabilities of the recipient fax machine, enable the Direct Send feature or select
Fine as the Resolution setting.
❏ Enable the ECM setting on the control panel.
Related Information
& “Fax Settings” on page 133
& “Basic Settings” on page 138
& “Cleaning the Scanner Glass” on page 159
& “Cleaning the ADF” on page 157
User's Guide
Solving Problems
202
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