Toshiba BSA4TMGS12QMR, BSA4TMTS12QMR manual Media Sensor

Page 27

3.MAIN UNIT REPLACEMENT

EO18-33016A

3.10 Media Sensor

3.10 Media Sensor

1.Open the Top Cover.

2.Slightly push the Upper Sensor Lever inside, and open the Upper Sensor Ass’y.

Upper Sensor Ass’y Upper Sensor Lever

3.Pushing the tabs on the rear of the Media Sensor Block toward the front of the printer, slightly lift the back of the Media Sensor Block, and remove it toward the printer back.

Tab

Media Sensor Block

4.Move the upper and lower Media Sensors to the left end, then, disconnect the Sensor Harnesses. (Upper sensor: White, Lower senor: Yellow)

Media Sensor

Upper Sensor

Harness (White)

Lower Sensor

Harness (Yellow)

3-22

Image 27

Contents SA4T Series Table of Contents Unpacking ProcedurePrinter Installation PS Unit Main Unit ReplacementDraw out the PS PC Board Unit from the printer SA4TM SA4TP Main PC Board Ass’yCable Protection Cover CN9 CN6 Be careful not to pinch the lead wires by the Side Panel Platen Stepping Motor and Top Cover Open Sensor Left Do not remove, just loosen Adjustment of Timing Belt Ribbon Motor/Ribbon Sensor Remove the screw to detach the Ribbon Motor Unit Remove the screws to detach the Ribbon Motors FLT-3x8 Screw Locating Pin Fan Motor Operation Panel For the B-SA4TM Remove the two screws to detach the LCD PC board Operation Panel For the B-SA4TP Panel PC Board LCD PC Board Never loosen or remove these screws Print HeadDisconnect the Print Head Cable from the Print Head Disconnect the Print Head Cable from the Print Head Media Sensor Ring Remove the Lower Sensor Cover Top by releasing the two hooks Sensor Harnesses Media Sensor Top Cover Open Sensor Right Remove the two screws from the Stepping Motor Unit Disconnect the Top Cover Open Sensor Harness Blue Periodic Maintenance Procedure Cutter Unit Set Screw Same way, clean the outside of the cutter blade Apply Floil G-488 to the cutter unit using a soft cloth Printer does not turn on TroubleshootingEeprom Error is displayed Head Open is displayedSome printers show on Line and others show in Line Printer cannot enter the system mode Printer cannot enter the download modeHead Temp is displayed when printing is attempted Head temperature may be higher Troubleshooting Characters cannot be printed Ribbon Error is displayedRibbon is not taken up „ Situation Communication

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