Problem: How to install an external printing form epf?
Solution:
If you had required an required an external printing form, find the extension at the hotline and do the steps below.
1) You need to go to the Administration module > Select Additional reports and data processors
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2) Then you have two variants
a) Needful form had been already existed
Then you need to open it and load the needful extension, very often it doesn't work the first time, so you can immediately load twice.
b )If the extension is new, you need to create it
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3) Then you need to check, that needful information to the printing form were was added.