TSC TTP 246M Service Manual

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TTP-246M/344M Bar Code Printer
Service Manual
3.6 Print Head Circuit
STB1, and STB2 are the print head heating signal. There is a limit for RC heating time of
U15 (74HC123), it can avoid the print head over-heating.
U26 is used to protect print head and avoid the current appears in the improper time.

TSC TTP 246M Specifications

General

Brand	TSC
Model	TTP 246M
Category	Barcode Reader
Language	English