Cover and top cover | Toshiba B-570 instruction

2. MAJOR UNIT REPLACEMENT

EM18-33010A

2.1 REPLACING THE PS UNIT, I/F PC BOARD AND CPU PC BOARD

6) Adjust the ribbon end sensor.
Use the following Ribbons; TTM-78 (Maker: Fujicopian)
1 Set the ribbon so that the ribbon end sensor
can detect the ribbon. Turn the power on.
2 Turn the VR2 so that the voltage between Pin						1	10
2 Turn the VR2 so that the voltage between Pin
1 (GND) and Pin 7 of CN10 is 3.0 ± 0.2 V with				CN8	RA9	CN9	CN10
an oscilloscope.				CN8		CN9	CN10


3 Turn the power off and mount the left side			CN7
cover and top cover.						IC16
					RA10
				RA11
			VR1	VR2
					IC30
		Fig. 2-4
		Range : 1V / 0.2 m sec.
	Voltage
VR2	3.0	0.2V
VR2
		GND
							Fig. 2-5

7)Adjust the black mark sensor.

As the black mark sensor is adjusted by key entries in system mode, refer to page 6-39 for the adjustment procedure.

8)Adjust the feed gap sensor.

As the feed gap sensor is adjusted by key entries in system mode, refer to page 6-40 for the adjustment procedure.

CAUTION:

Be careful when replacing the CPU PC board, since a non-resettable counter (IC12) is installed on this board. (Refer to Section 6.2.1 Maintenance Counter Printing.)

If this counter should be reset, replace IC12.

2-3

Image 6

Toshiba B-570 manual An oscilloscope Turn the power off and mount the left side, Cover and top cover

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 Adjusting the Cutter Guide Plates Mount the cutter cover with the two screwsRemoved Parts ’ty/Unit Front plate Memory Module Expansion memory and drawing size Fanfold Paper Guide Module B-4905-FF-QM Cutter Drive Cutter Mode Mechanism Description Harness Wiring Dirty print head Clean the print head Toshiba TECFasten the head lever completely Refer to page 2-3 to adjust Sensor Setting Mode Parameter Setting ModeTest Print Mode RAM Clear Mode DIAG. Test Operation Outline of the DIAG. Test Operation L I N E Press the Pause key. See NoteU S E B B O N Self Test ModeMaintenance Counter Printing 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 Automatic Diagnostic Printing B B O N T R a N S M I S S I V EPress the Pause key On .2.3 Head Broken Element Check PROGRAM/MASK ROM Check Print Condition ∙ Preset count ∙ Print speedSample Print Kanji ROM Check Eeprom Check Dram CheckFlash Memory Card Check Sensor 1 Check Non-transmissive Print status content description of each sensor/switchLabel is removed Ribbon end sensor With ribbon Ribbon end Connector FCN-781P024-G/P DIP SW CheckEXP. I/O Check Press the Pause key twice Press the Feed key twice R M a L E N D A D ErrorHead Broken Element Check 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 Feed Length Fine Adjustment Press the Feed keyE D a D J U S T 2 Cut/Strip Position Fine Adjustment Press the Pause key twiceT a D J U S T Press the Pause key three times Back Feed Length Fine AdjustmentAt the same time On Section Axis fine adjustment Press the Feed key Press the Pause key Feed Length Fine Adjustment Example Cut Position Fine Adjustment Example Are received When using a label with a length of less than 38 mmCase Condition Label pitch Strip Position Fine Adjustment Example Back Feed Length Fine Adjustment Example Press the Pause key four times Axis Fine AdjustmentPress the Pause key On Section Print tone fine adjustment D J U S T Axis Fine Adjustment Example Print Tone Fine Adjustment Thermal transfer printing fine adjustmentThermal direct printing fine adjustment N T code Character Code SelectionPress the Pause key seven times At the same time On Section Font zero selection Font Zero Selection R O F O N TFeed key or Restart Control Code Selection Code Press the Pause key CodeM a N U a LN T R O L Restart ∙ Transmissive ribbon Ribbon Type SelectionPress the Pause key ten times 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 Stacker Selection Press the Pause key fourteen timesA C K E R S Y S T E M O F F Threshold Manual Fine Adjustment for the Black Mark Sensor R E S H O L D R Threshold Manual Fine Adjustment for the Feed Gap Sensor Press the Pause key sixteen timesR E S H O L D T How To Calculate Theshold Fine Adjustment Value Case When using labels transmissive sensor When using perforated labels transmissive sensorWhen using labels with black marks reflective sensor N J I code Kanji Code SelectionPress the Pause key 17 times Select either code with R O codeB O H Euro Font Code SelectionPress the Pause key 18 times Select the Euro font code with the Feed key or RTS/CTS Transmission Control Mode SelectionDTR/DSR Restart key at Reset Selection when the Input Prime Signal is on Press the Pause key 20 timesP U T P R I M EO N I N T C O N D I T I O N Test Print ModeNormal Test Print 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 B E L L E N G T H P E R F E E DFeed key or Restart key 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 Sensor Setting Mode Thermistor CheckPress the Feed key three times 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 Paper End Setting for Feed Gap Sensor Indicates setting complete. Press the Pause key. See NotePress the Pause key five times RAM Clear Mode RAM Clear Mode Table OFF TypeB0H I N T E C O U N T E R C L E a R Maintenance Counter ClearR a M 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 IBM PC/AT SetupFloppy Disk SW# Down Load Procedure DD-MM-YYYY Error Code ROM