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I-O 9320 LaserCard™
Coax Interface for Epson Printers (Type B)

PLEASE NOTEThe 9320 Printer Interfaces have been discontinued. The Axis AX-7 Cobra Coax-to-Parallel printer interface is an external option that is avaialble.  Please click here to be taken to the AX-7 Coax Printer Interface page.  Please call us at (800)597-2525 to discuss available solutions for your specific printer connectivity need.


Please CLICK HERE for other Printer Connectivity options.

I-O 8220 Test TextDescription

The I-O 9320 Internal Coax Printer Interface Card allows EPSON printers, including the DFX-5000+, with a slot for optional interface cards (C82305/ C82306) to be attached to an IBM 3270 mainframe host. (Click on Picture for specifications)

The I-O 9320 offers a wide range of IBM printer emulations, including 3287, 3262, 3268, 4214-1, and 4224 or 3812-1 (non-IPDS). When using an EPSON laser printer with data or word processing applications, Computer Output Reduction (COR) and Automatic Page Orientation (APO) can be used to print reports on letter size paper.

The I-O CommandPass-Thru™ feature allowscomplete access to all user-programmable printer features.The printer sharing port on the interface is auto-switching offering intelligent Host/PC printersharing.Support for both LU3 and LU1 modes is also available providing maximum printing flexibility.

IBM compatible printing, PLUS additional features provide significant cost savings over traditional coax printing.

Click here for more information on Twinax and Coax Interfaces

IBM Features

  • Attaches to IBM 3270-Type Hosts or 3174, 3274, 3276 Control Units

  • IBM 3287, 3262, 3268, 4214-1, 4224 (all SCS) Printer Emulations

  • Multiple Fonts Supported

  • LU3 (DSC) and LU1 (SCS) Mode Printing

  • Computer Output Reduction (COR)

  • Automatic Page Orientation (APO)

  • IBM RPQ Options Supported

Additional Features



IBM Compatibility

Offers complete IBM compatibility for 3812-1 (non-IPDS) and 5224 printer emulations.

Easy Setup

Host or PC download configuration "on the fly". PC download or push-button configuration allows setup of the interface without being connected to the 3270 host, for pre-programming of the interface.

EPSON Type "A" Printer Support

Supports EPSON LX-800, 810, 850, 1050, 1050+; FX-850/1050; DFX- 5000, 8000; LQ-200 (some models), 500, 510, 450/550, 850/850+, 860, 1010, 1050/1050+, 1060/1060+, 2550; TLQ-4800; EPI-4000, EPJ-200, EPL-7100; SQ-850/2550; and Action Printer 2000/2500, 4000/4500.

Intelligent Host/PC Printer Sharing

Attach a PC and a Host to the same printer. Automatically monitors both input lines for data and selects the next incoming stream without user intervention.

I-O Command Pass-Thru™

Allows access to all user-programmable printer functions.

Host/PC Download Commands

Allows printer configuration customization.

Custom User Strings

Allows the user to assign commonly used printer commands to simple identifiers which can be sent to the printer prior to printing a document.



Feature / Description

Host Systems

IBM 43XX, 30XX, or 937X Host Processors or 3174, 3274, 3276 Control Units


IBM coax (3270) to EPSON internal parallel


Supplied by the printer


Temperature: +40░ to 110░ F (+5 to 42░ C)
Relative humidity: 20% to 85%
Optimum: 70░ +/- 15░ F (24░ +/- 8░ C)

Special Order

Mini-Centronics parallel cable for printer sharing available at additional cost



Click here for more information on Twinax and Coax Interfaces



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