Replacing the Ribbon Motors | Toshiba B-570 specs

2. MAJOR UNIT REPLACEMENT

EM18-33010A

2.3 REPLACING THE RIBBON MORTORS

2.3 REPLACING THE RIBBON MOTORS

CAUTION:

NEVER separate the ribbon motors from the attaching plate because doing so will change their adjustment.

1)Disconnect the connector and remove the two SM-3x5B screws to detach the ribbon motors.

FLOIL G-488

Attaching Plate

FLOIL

FLOIL G-488

Ribbon Motor

Screw (SM-3x5B)

Connector (Red)

Connector (Black)	Dowels
Attaching Plate	Dowels
Ribbon Motor	Fig. 2-8
Screw (SM-3x5B)

2)Replace the ribbon motors, then align the dowels to attach the ribbon motors. Reassemble in the reverse order of removal.

2.4 REPLACING THE TAKE-UP MOTOR

CAUTION:

NEVER separate the take-up motor from the bracket because doing so will change the adjustment.

NOTE: The following procedure can be employed without removing the top cover and left side cover.

1)Remove the four FL-3x5 screws to detach the motor cover.

2)Remove the connector for the rewind full sensor (LED).

3)Disconnect the connector from the CN1 on the PWM PC board and remove the two FL-3x5 screws to detach the take-up motor.

PWM PC Board

Bracket

Connector (CN1)

Screw (FL-3x5)

Motor Cover

Screw (FL-3x5)

Take-up Motor

Connector

Fig. 2-9

4)Replace the take-up motor, then align the dowels to attach the motor cover and rewind full sensor (Tr).

2-5

Image 8

Toshiba B-570 manual Replacing the Ribbon Motors, Replacing the TAKE-UP Motor

Contents

Series Table of Contents Procedure Checks Major Unit Replacement Disconnect power cord before replacing important parts Replacing the PS UNIT, I/F PC Board and CPU PC Board An oscilloscope Turn the power off and mount the left side Cover and top cover Replacing the Stepping Motor Replacing the Ribbon Motors Replacing the TAKE-UP Motor Replacing the Solenoid Head Up Link Solenoid Spring Pin Replacing the Print Head Old type print head Adjusting the print head position New type print head Replacing the Platen and Feed Roller Replacing the Platen and Feed Roller Replacing the Paper Sensor Replacing the Ribbon Back Tension Block Replacing the Pinch Roller Shaft ASS’Y Adjustment Correcting Skew Printing Installation Procedure for the Optional Equipment High Speed PC Interface Board B-4800-PC-QM Installation Procedure for the Optional Equipment Cutter Module B-4205-QM EM18-33010A SVO7A1003 Nov ’97 Removed Parts ’ty/Unit Front plate Adjusting the Cutter Guide PlatesMount the cutter cover with the two screws Memory Module Expansion memory and drawing size Fanfold Paper Guide Module B-4905-FF-QM Cutter Drive Cutter Mode Mechanism Description Harness Wiring Fasten the head lever completely Dirty print head Clean the print headToshiba TEC Refer to page 2-3 to adjust Parameter Setting Mode Test Print ModeSensor Setting Mode RAM Clear Mode DIAG. Test Operation Outline of the DIAG. Test Operation U S E L I N EPress the Pause key. See Note Self Test Mode Maintenance Counter PrintingB B O N I N T E N a N C E C O U N T E R Sample Print Print Condition ∙ Preset count ∙ Print speed Parameters Trans Press the Pause key On .2.3 Head Broken Element Check Automatic Diagnostic PrintingB B O N T R a N S M I S S I V E Print Condition ∙ Preset count ∙ Print speed Sample PrintPROGRAM/MASK ROM Check Kanji ROM Check Flash Memory Card Check Eeprom CheckDram Check Sensor 1 Check Print status content description of each sensor/switch Label is removed Ribbon end sensorNon-transmissive With ribbon Ribbon end EXP. I/O Check Connector FCN-781P024-G/PDIP SW Check R M a L E N D A D Error Head Broken Element CheckPress the Pause key twice Press the Feed key twice E R M a L H E a D C H E C K Parameter Setting Mode Press the Pause key Parameter Setting Mode Table E D a D J U S T Feed Length Fine AdjustmentPress the Feed key T a D J U S T 2 Cut/Strip Position Fine AdjustmentPress the Pause key twice Back Feed Length Fine Adjustment At the same time On Section Axis fine adjustmentPress the Pause key three times Press the Feed key Press the Pause key Feed Length Fine Adjustment Example Cut Position Fine Adjustment Example When using a label with a length of less than 38 mm Case ConditionAre received Label pitch Strip Position Fine Adjustment Example Back Feed Length Fine Adjustment Example Axis Fine Adjustment Press the Pause key On Section Print tone fine adjustmentPress the Pause key four times D J U S T Axis Fine Adjustment Example Thermal direct printing fine adjustment Print Tone Fine AdjustmentThermal transfer printing fine adjustment Character Code Selection Press the Pause key seven timesN T code At the same time On Section Font zero selection Feed key or Restart Font Zero SelectionR O F O N T Control Code Selection Code CodeM a N U a L N T R O LPress the Pause key Restart Ribbon Type Selection Press the Pause key ten times∙ Transmissive ribbon Select either ribbon type with Ribbon Motor Drive Voltage Fine Adjustment Press the Pause key eleven times Strip Wait Status Setting A T U S P E A C K E R S Y S T E M O F F Stacker SelectionPress the Pause key fourteen times Threshold Manual Fine Adjustment for the Black Mark Sensor R E S H O L D R R E S H O L D T Threshold Manual Fine Adjustment for the Feed Gap SensorPress the Pause key sixteen times How To Calculate Theshold Fine Adjustment Value Case When using labels with black marks reflective sensor When using labels transmissive sensorWhen using perforated labels transmissive sensor Kanji Code Selection Press the Pause key 17 timesN J I code Select either code with Euro Font Code Selection Press the Pause key 18 timesR O codeB O H Select the Euro font code with the Feed key or Transmission Control Mode Selection DTR/DSRRTS/CTS Restart key at P U T P R I M EO N Reset Selection when the Input Prime Signal is onPress the Pause key 20 times Test Print Mode Normal Test PrintI N T C O N D I T I O N Pause key I N T S P E E D N S O R T R a N S M I S S I V E Feed key or Restart key B E L L E N G T HP E R F E E D From B of the preceding Test Print Sample ∙ Print Tone Fine Adjustment Value + Process Test Print From B of the next Press the Pause key Bar code are printed on 5 labels Press the Feed key three times Sensor Setting ModeThermistor Check Black Mark Sensor Adjustment Press the Feed key Press the Pause key twice Feed Gap Sensor Adjustment Paper End Setting for Black Mark Sensor Feed key Former value is displayed Press the Pause key five times Paper End Setting for Feed Gap SensorIndicates setting complete. Press the Pause key. See Note RAM Clear Mode RAM Clear Mode Table B0H OFFType Maintenance Counter Clear R a M C L E a RI N T E C O U N T E R C L E a R M P L E T E Parameter Clear R a M E T E R C L E a R Setup Floppy DiskIBM PC/AT SW# Down Load Procedure DD-MM-YYYY Error Code ROM