4-22 WorkCentre 3210/3220 Multifunction Printer Service Manual
General Troubleshooting
No Dial Tone
With the On-hook button pressed, no dial tone is present. The Fax does not
detect dial tone before dialing.
Initial Actions
â– Check Fax line connections.
â– Cycle printer power.
â– If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
â– Fax Board, PL1.0.24
â– Middle Cover Assembly, PL3.0.0
â– UI Assembly, PL 6.4.1
â– Map 5 - Main Controller Board
â– Fax Board and Optional Tray
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Is the telephone line damaged or
disconnected?
Go to step 2. Connect or
replace the line.
2 Check the UI Assy.
Is there a click when the On hook Dial
button is pressed?
Go to step 4. Go to step 3.
3 Run the Switch Test from Tech mode
to test the UI buttons.
Do the buttons function?
Go to Step 4. Replace the UI
Assembly
(
page 67).
4 Check the connection between the
Scan Assembly and the Main
Controller Board.
Are the connections secure?
Go to step 5. Reseat the
connections.
5 Reseat the Fax Board.
Does the error persist?
Replace the Fax
Board
(
page 106).
Complete.
6 Check the speaker connection on the
Fax Board.
Is the connection secure?
Replace the
Main Controller
Board
(
page 100).
Reseat the
speaker
connection.