Transmission Fault - Xerox Phaser 6121MFP Service Manual

Transmission Fault

Phaser 6121MFP Service Manual
1. Problem with printing quality at receiving Fax, such as corrupt image, lines in
image, or top/bottom cut off.
a. If a copy is normal.
Cause: Degraded telephone line connection is caused by noise, etc., or a fault
in receiving Fax's printer.
Corrective Action: Determine whether the fault is in the telephone or
receiving Fax by trying a copy function at the receiving Fax.
Note
If the telephone line is degraded, white horizontal lines, missing rows,
and/or cut-off top/bottom may occur. Branch connections or incoming
call (call waiting) may also cause image corruption.
b. If copy function is faulty.
Cause: Dirt or fault in scanner.
Corrective Action: Clean the document glass or repair the scanner. If the
original is being sent from the ADF, try making a copy with the original placed
on the platen. If this resolves the problem, the fault is in the ADF.
2. Cannot dial.
Cause: No connection. Incorrect setup of dial type and/or line type.
Corrective Action: Reconnect the telephone line. Reset the dial type and/or
line type to correct the settings.
Transmission Failure Troubleshooting Procedure
Troubleshooting Procedure Table
Step Action and Questions
1 Make a phone call to the fax number.
If you don't hear the Fax
communication sounds, the number is
not a fax number.
Is the number correct?
2 Did the Fax Protocol Report print out?
General Troubleshooting
Yes No
Go to step 2. Retry the fax
transmission
with the
correct
number. If the
problem
persists, go to
step 2.
Check the Go to step 3.
latest TX result.
If an error code
is displayed,
refer to the
Transmission
Errors list
(page 3-26) for
more
information.
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