HP LaserJet Pro M521 Multifunction Printer series - Manual (Page 219)

You should change the setting only if you are having trouble sending a fax to or receiving a fax from a
particular device. Decreasing the fax speed might be useful when you are trying to send a fax
overseas, or receive one from overseas, or if you are using a satellite telephone connection.
1. From the Home screen on the product control panel, touch the Setup button.
2. Touch the Fax Setup menu.
3. Touch the Advanced Setup menu.
4. Scroll to and touch the Fax Speed button, and then touch the speed setting that you want to use.
Solve problems sending faxes
● An error message displays on the control panel
● The control panel displays a Ready message with no attempt to send the fax
● The control panel displays the message "Storing page 1" and does not progress beyond that
message
● Faxes can be received, but not sent
● Product is password protected
● Unable to use fax functions from the control panel
● Unable to use speed dials
● Unable to use group dials
● Receive a recorded error message from the phone company when trying to send a fax
● Unable to send a fax when a phone is connected to the product
An error message displays on the control panel
The Communication error message appears
● Allow the product to retry sending the fax. Re-sending temporarily reduces the fax speed.
● Disconnect the product telephone cord from the wall, connect a telephone to the phone jack on the
wall, and try making a call. Connect the product phone cord to a jack for another phone line.
● Try a different phone cord.
● From the control panel, change the Fax Speed option to the Medium(V.17) setting or Slow(V.29)
setting.
a. From the Home screen on the product control panel, touch the Setup button.
b. Open the Fax Setup menu.
c. Open the Advanced Setup menu.
ENWW Solve fax problems 205