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GD-1210/1250/1270/1160/1260 © 2006 - 2011 TOSHIBA TEC CORPORATION All rights reserved
TROUBLESHOOTING
3 - 8
3.5.5 Communication error
Communication errors may occur when the condition of a particular phone circuit happens to be bad at
the time of attempting the communication job. Therefore, do the communication over again. If commu-
nication errors occur too many times, prepare another (operational) FAX unit and check the communi-
cation condition among the three FAX units, thus analyzing the troubles.
Fig. 3-1
1) If normal communications are possible between A and C, and the communication trouble occurs B
and C, it can be assumed that FAX B is malfunctioning.
2) If normal communications are possible between B and C, and the communication trouble occurs A
and C, it can be assumed that FAX A is malfunctioning. Therefore, adjust the transmission attenua-
tor value (13-325, 13-430, 13-567, 13-616) and the cable equalizer value (13-328, 13-433).
3) If normal communications are possible between A and C and between B and C, it can be assumed
that there is a problem in the line between A and B.
A communication error occurs between A and B.
This FAX Remote FAX unit
Operational FAX
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