~JA - Cancel All

Overview

The ~JA command cancels all format instructions in the buffer and any batches currently printing. The printer stops after the current label finishes, clears all internal buffers, and turns off the DATA LED.

Syntax

~JA

Parameters

None

Description

• Cancels all queued formats
• Stops after current label
• Clears internal buffers
• Emergency stop functionality
• Turns off DATA LED

Examples

Cancel All Queued Formats

~JA

Stops all printing and clears queue.

Behavior

When Received

1. Printer completes current label
2. All queued formats deleted
3. Internal buffers cleared
4. DATA LED turns off
5. Printer ready for new input

Practical Uses

Error Recovery

• Network disconnect
• Transmission error
• Unwanted print job
• Need to clear queue

Workflow

1. Send ~JA
2. Wait for current label to finish
3. Queue is now clear
4. Send new formats

Important Notes

• Completes current label
• Does NOT interrupt mid-label
• Clears ALL remaining formats
• Use sparingly
• More drastic than ~JP

Related Commands

• ~JP - Pause and Cancel Format
• ~JR - Power On Reset
• ^JZ - Reprint After Error

See Also

• Pause and Cancel Format (~JP)
• Power On Reset (~JR)