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Chapter 7 Parts Replacement
AC-4000H Service Manual No. 085-7323-08
7-10
7.3
Periodical Replacement Parts
Thermal head (LH3124WH)
Replacement period: Label travel distance 40 to 60km (standard)
Note: The label travel distance varies depending on the label material or thermal head cleaning conditions.
Display tube (Display board)
Life: Brightness must be 80% or more of the standard lower bound after lighting for 1,000 hours under the
condition of all segments lighting by the standard ratings drive.
Life expectancy: 30,000 hours or more when using it by standard ratings drive.
(Life here is assumed to be a value that the average brightness becomes half of the
standard lower bounds.)
Print roller
Replacement period: 300km in the travel distance. (standard)