Chapter 7 Parts Replacement
AC-4000 Service Manual No. 0181A
7-14
7.3 Periodical Replacement Parts
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Thermal head (LH3124I)
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.
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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.)
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Print roller
Replacement period: 300km in the travel distance. (standard)
7.4 How to Pass Labels
A sticker “How to pass labels” is pasted to inner side of the side cover.
Summary of Contents for AC-4000B
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