PROBABLE CAUSES:
1. The fax board is installed in the incorrect slot.
Install the fax board in the rear most slot.

2. The Fax (Sub) was set to Set at installation.
Change the Fax (Sub) to Unset in Service Mode by performing the following:
a. Access the Service Mode.
b. Select the Option Board Status.
c. Select Unset of Fax (Sub).
d. Select End and Exit to return to copy screen.

Note : Also check the following settings:Service Mode => System 1 => Marketing Area Marketing Area = U.S.; Fax Target = U.S. =>End => Exit.
If the problem persists:
a. Trouble reset. Power up holding the Utility button, Trouble Reset, OK.
b. Reinitialize the fax board. Select the following in Tech Rep Mode: Fax, Initialization, highlight Fax Function Parameter and Communication Journal Data,
select yes, yes, start. Proceed by following the FK-502 Installation Manual Instructions making sure that the settings are correct.
c. Restore factory defaults. Select the following: Fax button, Utility/Counter Key button, User Setting, Initialize Setting, Factory Default, OK, cycle the power.
Proceed by following the FK-502 Installation Manual Instructions. If the preceding steps fail and the problem still persists, perform a DATA CLEAR.

CAUTION : Performing a Data Clear will clear out all one touch accounts (Scan to SMB, FTP, E-mail, etc.). Make sure to back up all accounts by using PageScope Data Administrator. Refer to the Service Manual, page 299, for additional contents that will be cleared when performing a Data Clear and
Initialization.
d. Data Clear, select the following: In Tech Rep Mode, System 1, Initialization, highlight Data Clear, press the START button. In approximately 5 seconds the
operation panel will go blank for 5 seconds and then come back with RESULTS OK. PLEASE TURN OFF THE POWER AND BACK ON.