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I-O 9310 LaserCard™
Coax Interface for Epson Printers (Type A)

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 TextOverview

The I-O 9310 Internal Printer Interface Card allows EPSON printers, including the DFX-5000, with a slot for optional interface cards (#8143/8148) to be attached to an IBM 3270 mainframe host. (Click on Picture for specifications)

The I-O 9310 offers a wide range of IBM printer emulations, including 3287, 3262, 3268, 4214-1, and 4224(all SCS).When installed in an EPSON DFX 5000 or 8000 printer, the I-O9310 can replace traditional 3287 printing by providing true IBM emulations andcompatibility at a fraction of the IBM cost.

Installation and setup are simple via Host/PC download commands, or push-button configuration with user-definable selections (including IBM RPQs) that can be stored in the interface's memory. The I-O Command Pass-ThruTMfeature allows complete access to all user-programmable printer options. The printer sharing port on the interface card is auto-switching, offering intelligent Host/PC printer sharing and 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

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

  • IBM RPQ Options Supported

  • FMH Data Stream 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.

PA1 and PA2 Push Buttons

Provide optional manual response to Program Attention Requests from the IBM host.



Feature / Description

Host Systems

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


IBM coax (3270) to EPSON internal parallel (type A)


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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