TSC TDP 248M, Service Manual

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TTP-248M/2410M Bar Code Printer
Service Manua
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4. Machanism............................................................................................................ 41
4.1 Remove the Covers and LCD Panel ............................................................... 41
4.2 Replacing the Mainboard ................................................................................ 45
4.3 Replacing the Power Supply Unit.................................................................... 47
4.4 Replacing the Ribbon Rewind Spindle ............................................................ 48
4.5 Replacing Ribbon Supply Spindle and Ribbon Near End Sensor ................... 51
4.6 Replacing Label Supply Spindle...................................................................... 53
4.7 Replacing Label Rewind Spindle..................................................................... 54
4.8 Replacing Platen ............................................................................................. 55
4.9 Replacing Motor .............................................................................................. 57
4.10 Replacing Print Head .................................................................................... 58
4.11 Replacing Print Head Pressure Adjustment Knob ......................................... 59
4.12 Replacing Gap/Black Mark Sensor ............................................................... 60
4.13 Replacing Ribbon End Sensor ...................................................................... 62
4.14 Replacing Print Head Lift Lever Sensor ........................................................ 63
5. Part Lists .................................................................................................................. 64
6. Troubleshooting........................................................................................................ 69
6.1 Troubleshooting............................................................................................... 69
6.2 Calibrate Gap/Black Mark Sensor ................................................................... 71
6.3 Self-test........................................................................................................... 71
6.4 DRAM Clear .................................................................................................... 72
6.5 Diagnosis Operation Procedure ...................................................................... 72
6.6 Cleaning Print Head ........................................................................................ 72