~HI - Host Identification

Overview

The ~HI command queries the printer for identification information including model, firmware version, print resolution, memory capacity, and installed options. Used for printer discovery and capability detection.

Syntax

~

Parameters

None

Description

• Returns printer model and firmware version
• Reports print resolution in dpi/dpmm
• Shows installed memory capacity
• Lists installed options
• Processed immediately

Return Format

MODEL,VERSION,DPI,MEMORY,OPTIONS

Response Fields

Examples

Request Identification

~

Returns: S4M,V53.16.15Z,12,8192KB,C

Interpretation:

• Model: S4M
• Firmware: V53.16.15Z
• Resolution: 12 dpi (203 dpi)
• Memory: 8 MB
• Options: Cutter installed

Different Configurations

~

Returns: 105SL,V29.18.5Z,8,4096KB,

Meaning:

• Model: 105SL
• Firmware: V29.18.5Z
• Resolution: 8 dpi (203 dpi)
• Memory: 4 MB
• No special options

DPI Conversion

Memory Values

Usage Scenarios

Printer Discovery

~

Capability Detection

1. Get identification with ~HI
2. Parse memory to determine available space
3. Determine if cutter/applicator available
4. Adapt application based on capabilities

Troubleshooting

1. Request ~HI
2. Verify expected model and firmware
3. Check if memory is as expected
4. Confirm installed options match configuration

Related Commands

• ~HS - Host Status Return
• ^HV - Host Verification
• ~WC - Print Configuration Label

See Also

• Host Status Return (~HS)
• Print Configuration Label (~WC)