Fax Answers Then Fails; Printhead Troubleshooting Checklist - Xerox Phaser 8560MFP Service Documentation

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Fax Answers Then Fails

The system answer the incoming call, but the transmission fails.
Initial Actions
Check that Fax is enabled and configured properly for the local phone line.
Check that the phone line supports Fax protocols.
Check Fax cord condition and connections between the system and Fax line.
Disable Secure Receive and Junk Fax Prevention during testing.
Primary Causes
This is usually a line quality problem. An improperly filtered DSL line could also cause trans-
mission errors.
Troubleshooting Procedure
Table 1 Fax Does Not Answer Troubleshooting Procedure
Step Questions or Actions
1
Print a Protocol Report.
Is there a communication failure indicated
after a CSI/DIS, DCS/TCF, or after (V.34-
PH2 or PH3)?
2
Reduce the Starting Speed to G3 (14.4
kbps) and retest.The system uses Super
G3 (33.6 kbps) by default. Some phone
lines and older Fax machines do not sup-
port this speed.
Does the transmission complete?
3
Test the Fax from a local machine.
Send a test Fax from a local machine.
Does the system answer?
Initial Issue
Phaser 8510/8560MFP Multifunction Product
Yes
No
Go to Step 2.
Change the configu-
ration to the correct
line type.
Complete.
Reduce the trans-
mission speed until
the connection is
reliable.
Check the line.
Replace the Elec-
tronics Module (REP
5.0.5).

Printhead Troubleshooting Checklist

This checklist provides the procedure for troubleshooting Printhead problems. Complete this
checklist as part of the Printhead replacement process.
Phaser 8510/8560MFP Printhead Troubleshooting Checklist
Figure 1 Printhead Checklist Page 1
10/2006
Fax Answers Then Fails, Printhead Troubleshoot-
6-49
Diagnostics

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