Xerox 3210 - workcentre b/w laser, Service Manual

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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
■
Check Fax line connections.
■
Cycle printer power.
■
If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■
Fax Board, PL1.0.24
■
Middle Cover Assembly, PL3.0.0
■
UI Assembly, PL 6.4.1
■
Map 5 - Main Controller Board
■
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.