TSC TDP-643R PLUS Service Manual page 3

TDP-643R PLUS BAR CODE PRINTER
SERVICE MANUAL
4.4 Stepping Motor Replacement ......................................................................................... 27
4.5 Gap Sensor Transmitter/Receiver Replacement ............................................................. 29
4.6 Platen and Teflon Tube Replacement ............................................................................. 30
5. TROUBLE SHOOTING ......................................................................................... 32
5.1 Error Messages ............................................................................................................... 32
5.2 Trouble Shooting ............................................................................................................ 33
5.3 Self Test and Gap Sensor Calibration ............................................................................ 33
5.4 Initialization ................................................................................................................... 33
5.5 Diagnosis Operation Procedure ...................................................................................... 34
5.6 Testing Sensor ................................................................................................................ 34
5.6.1 Checking Gap Sensor .......................................................................................... 34
5.6.2 Checking Peel Off Sensor ................................................................................... 34
5.7 Cleaning the Print Head ................................................................................................. 35
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