Toshiba B-EV4 manual Replacing the Gear Cover

Page 39

3. REPLACING THE IMPORTANT PARTS

EO18-33025

(Revision Date: Mar. 27, 2009)

3.7 Replacing the Gear Cover

3.7Replacing the Gear Cover

1.Refer to section 3.2 to remove the lower cover.

2.Use the Phillips screwdriver to remove the 4 screws.

3.Remove the gear cover.

4.Remove the each gear.

Gear Cover

SM-3x6 Screw

NOTE: Between 200 dpi printer and 300 dpi printer, the number of gears and the position of the motor pulley differ. Be careful of the orientation of the gear when replacing.

300dpi model

Motor Pulley

LUBRICATION

Gear: FLOIL

200dpi model

Motor Pulley

LUBRICATION

Gear: FLOIL

3-17

Image 39

Contents EV4 Series Table of Contents Front View Feature of the B-EV4D/EV4TInterior Rear ViewEV4T V 4 D G S 14 QM R Indication of the Model NameEV4D EV4T Basic SpecificationsTUV External Media Holder B-EV904-PH-QM-R Color Status Key and LEDMedia Type Supply SpecificationsDetection Area of the Reflective Sensor Detection Area of the Transmissive SensorFigure below shows the effective print area on the media RibbonBlock Diagram Electronic SpecificationsU6 Sdram Main PC Board LayoutSdram Description of the Main PC BoardDC/DC Converter U22 Type TS34063 JP2 SD Card Slot JP7 Serial Interface JP9 USB Type Type B Connector JP20 Ribbon End Sensor Print Head JP30 Lubrication Replacing the Important PartsEV4T model Replacing the Top CoverEV4D model Hook Media View Window Disconnect the connector from the feed button PC board Replacing the Lower Cover Replacing the Main PC Board Replacing the Important Parts Replacing the Platen Ass’y Remove the two screws which secure the print head ass’y Replacing the Print Head Ass’yConnector Print Head Ass’y Bracket Print Head Block Latch Top Inner Cover Remove the two pins which secure the print head ass’y Plate Replacing the Stepping Motor Lubrication Replacing the Gear Cover Replacing the Important Parts Replacing the Feed Button PC Board Replacing the Cover Open Sensor Replacing the Ribbon Sensor B-SV4T model only Remove the black mark sensor Replacing the Black Mark SensorReplacing the Important Parts Replacing the Feed Gap Sensor Lower Replacing the Important Parts Remove the feed gap sensor upper Replacing the Feed Gap Sensor UpperReplacing the Important Parts LED Status TroubleshootingRibbon run out Loading the ribbon Print QualityMaintenance Maintenance System Mode Abort of Label Format Auto Call Sensor Adjustment