12-20-93                     Cannot Fax V-series

     As hard as the developers of the code try, there will always be a  fax
you can't send to or maybe recv a fax from. Each fax has it's own  built-in
code, and it's just impossible to make every one perfectly compatible (even
between fax machines). The Zoom V-series (V32 & V42bis) modems support both
Class-1  &  Class-2 fax.  If your software also has the Class1  driver  try
that on stubborn fax's.  Very often, one driver will work when another does
not.  One is not 'better' than the other, just different. Class-1 seems  to
work better on some 'noisy' lines than Class-2.

     Also  try  setting  a slower speed, in  case  the  connection  doesn't
support 14,400 (between two 14,400 faxmodems) but does support 9600 to  fax
machines.

     Sometime you might have trouble with 1 fax machine you usually fax  to
OK.  This  may  clear up if you call right back  (you  will  get  different
connections).  Or the phone company may be routing the call on a  different
route for a few hours or even a day.

* At  least  1  fax machine (Panasonic) needs to  have  the  'frequency'
changed  on  the FAX machine to receive from a Faxmodem. Other  brands  may
need this change too.

MTEZ  comes with CLASS2.FXH. You can Download CLASS1.FXH from the Zoom  BBS
5PM - 8AM and weekends.   617-451-5284.
     After you put CLASS1.FXH in your MTEZ <dir>, In the CAS SETUP you just
highlight  the  Driver  and press the space bar, and it  will  change  your
driver.  You  do have to remove  FAXMAN /R   and re-load Faxman  after  the
change.

     If you have other FAX software call the Mfr for a Class1 driver.

(If none of this helps then the modem is probably defective).

                                   Don Hinds - Zoom Tech
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