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FANUC Alarm LANG-055 — Can't print(Reversed repr. disabled)

FANUC LANG-055 (“Can't print(Reversed repr. disabled)”): The program that cannot be printed needs J858 option. First check: Please confirm J858 is ordered in the robot.

Updated 2026-09-17 · LogrobotLM reference

Description

The program that cannot be printed needs J858 option.

Remedy

Please confirm J858 is ordered in the robot.

Related codes

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →