Mocha TN3812 for macOS

Mocha TN3812 for Mac OS X gives your AS/400 Server access to a local Printer on a Mac.

  • Easy to configure. Define AS/400 IP address and a device name. Connect to the AS/400 and your device name is now the printer queue.
  • Requires macOS 10.12.x or better.
  • Uses the standard TN5250 protocol (AS/400 must use OS V4R1 or better).
  • Supports SSL/TLS 1.0 - 1.2 (Secure Socket Layer Protocol).
  • Can handle SCS/EBCDIC print jobs from an AS/400 Mainframe Computer system.
  • TN3812 can accept print jobs to any printer. Both local and network printers.
  • Possible to queue print jobs local on the PC, and pre-view data before printing.
  • Support for landscape mode.
  • Lifetime free upgrades to new versions of the product
  • Low cost : Single User license 19.85 USD or 199 USD for a Company License.


  • Can only accept simple SCS print data. The Print queue on the AS/400 must use TRANSFORM(*NO)
  • Cannot accept IPDS jobs from an AS/400 system
  • Will ignore SCS font handling commands as : Set Line Density
  • The main purpose for Mocha TN3812 is to run on each local Mac and handle the local attached printers.
    It is not designed to be used as a general print server for many users.

Try the free version today, only limitation is a demo notice on the print.

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What is a company license ?

With a company license it is possible to install the product on an unlimited number of work-stations. A company license can be used by a single company. If there are branch offices or home workstations, a single company license will be valid. For a multi-national company, we must ask for a company license for each country.
A subsidiary company, or sister company, cannot use a license issued for the main company.

A county cannot be defined as a single company. Each department in a county can be defined as a single company, and use a company license.
A county is a geographical region of a country used for administrative or other purposes.

What is a single user license ?

With a single user license it is possible to install the product on one Mac.

Lifetime free upgrades

When you buy one of our software products you will also get all updated versions for free. You can always download the latest version of the product from our web site.