Exploded Diagram for Epson Stylus Photo 750 2/3 | Epson Photo750

EPSON Stylus Photo 750

Revision B

	709	712
726	709
726	727
	740

711	703		A
	714		598
		703	598

510

			713
	718	747
	721
755	728	763	764
			764

739
735
720	729
741	729
741
742	746	723
742	746	737
		737
	743	736 738	721
	743
		745	720
			720
730		746
724

708	300	122
708
		122
		587	587
707		122	587
122
748 710	122
739
736		200
		200
737		122
737
C		112
744			111
			111
716

122

C128

B

511 330

579

731

122

717

109580

581

733	725	735
734		503 587
732		503 587

719	113
567	113
718	506

122

109

122

131

724		587 750
534	504
532
530
578574		587
591
577	591

722 723

565D

	569		108
	569
		587	108
	568		108
	568		B
A	587		B
A	587
		558

121

121 109

114

587 116

590

556

573	501		758	587
	592		756	587
	592		756
		757		505
	502			505	122
	502			559

					587
				557	587
				557

EXPLODED DIAGRAM FOR EPSON STYLUS PHOTO 750 (2/3)

Figure 7-7. Exploded Diagram 2

Appendix

Exploded Diagram

103

Image 108

Epson Photo750 manual Exploded Diagram for Epson Stylus Photo 750 2/3

Contents

659,&#0$18$ General Notice Precautions About This Manual Revision Status Table of Contents Maintenance Product Description General Characteristics Overview„ Holds 10 transparency films Raster Graphics Mode General DescriptionPrinting Printing Speed Paper Specification Paper Feeding„ No curled, wrinkled, scuffing or torn paper be used Printable Area Paper Left Right Top BottomWidth Length Margin Typ Min Adjust Lever Settings Setting Position of Adjust LeverPaper Lever position Adjustment Value Envelope Environmental Conditions Environmental Condition Ink Cartridge Black Ink CartridgeColor Ink Cartridge Electric Specification Safety ApprovalsInput Data Buffer Reliability CE Marking Printer Language and Emulation14.1 ESC/P Control Codes „ Dot size control ESC e „ Raster header ESC D „ Raster body Connector pin assignment and signals Parallel InterfaceParallel InterfaceForward channel Parallel I/F Pin Signal Return In/Out Function Description Name GND pin Parallel InterfaceReverse channel Connect pin assignment and signals Xflag Out Parallel I/F Mode Typical time of tack 10. Typical Time of Tack 12. Connector pin assignment and signals Serial Interface11. Serial interface 13. X-ON/X-OFF, DTR protocol 14. Connector pin assignment and signals Pin Signal Name Out Function DescriptionUSBUniversal Serial Bus Interface Prevention of data transfer time-out on Host Interface selectionIeee 1284.4 protocol Bi-directional Command SwitchesFunction Control Code Special Setting Mode 18. Special setting modeLED Indications 17. Status printing Errors Indicators19. Printer Status displayed on the control panel Ink Out Paper Out Priority Black Color „ When you need to perform test print after the repair Initialization Initialization Setting Physical Specification Consumables and options 20. ConsumablesClassification Name Operating Principles Printer Mechanism Printer Mechanism Epson Stylus Photo Revision a 1 C257 PSB Power Supply Circuit Operating Principles of Electric CircuitOutput Voltage Voltage Usage TRANST1 2 C259 Main Control Circuit Major ElementsMajor Elements Location Function Reset Circuit Reset Circuit Sensor Circuit Sensor Circuit Timer Circuit Eeprom Control CircuitHead Drive Circuit Paper Feed Pump Motor PF/Pump Motor Drive Circuit Paper Feed Pump Motor Drive Circuit Carriage MotorCR Motor Drive Circuit 10. Carriage Motor Drive Circuit Troubleshooting Check Point Signal Level Switch Mode Sensor Check PointMotor, Coil Resistance Motor Location Check Point Resistance Error Indication LED Indication Condition RemedyPaper Ink End Check Black Color Unit Level Troubleshooting Symptoms and Corresponding Flow ChartSymptom Cause Flow Chart E c k t h e Error S s a g e . R e f e r t o T a b le 3 A R T Unit Repair Power Supply Board Repair of the Power Supply BoardSympto Condition Cause Check point Solution Repair of the Control Board Repair of the Control Board Epson Stylus Photo Revision a Symptom Condition Cause Check Point Solution Unit Repair Printer Mechanism10. Repair of the Printer Mechanism 11. Repair of the Printer Mechanism 12. Repair of the Printing Mechanism 13. Repair of the Printing Mechanism 14. Repair of the Printer Mechanism 15. Repair of the Printer Mechanism Disassembly and Assembly Precautions ToolsName Supplier Parts No Phillips Screw Driver Work Completion Check Check ListClassifi Check Point Status Cation Disassembly Flowchart below shows step-by step disassembly procedures Housing Removal Housing Removal Circuit Boards Removal Shield Plate, M/B Removal E P O Control Panel Removal Control Panel Removal Absorber Tray, AssemblyA Removal Absorber Tray, AssemblyA Removal Printer Mechanism Removal Print Head Removal E „ Be sure that the grounding plate is installed to Print Head Installation Pump, Assembly/Cap, Assembly Removal „ Be careful not to damage the rubber part of the cap 11. Ink Tube Motor, Assembly, CR Removal Bi-D adjustment. See Bi-D Adjustment on Motor Assembly PF Removal 15. Motor, Assembly, PF Installation 5.5 ASF, Assembly Removal Paper Feed Roller Assembly Removal E „ When removing or installing the Hopper Roller Assembly, LD Left/Right Removal 18. Roller Assembly, LD Removal Carriage Assembly Removal 19. Bush Parallel Adjust Removal 20. Carriage Assembly Removal PE Sensor Assembly Removal 21. PE Sensor Assembly Removal Roller, Assembly, PF Removal 23. Roller, Assembly, Paper Exit Removal 24. Roller, Assembly, PF Removal HP Sensor Removal 25. HP Sensor Removal Cartridge SensorSensor, I/C Removal 26. Bush Holder, Sensor, I/C Removal 29. Sensor, I/C Removal Adjustment Required Adjustment Required Adjustment Adjustment Paper Gap Adjustment„ Do not scratch special coated surface of the PF Epson Stylus Photo Revision B Adjustment by Adjustment Program Adjustment ProgramHow to use the Adjustment Program „ You have to go through the menu to input Options in the Program and Keys to Use Setting Destination Information Head Voltage ID Adjustment Head Angular Adjustment Screw position for fixing the print head Magnetized condition when the printer has been left Adjustment, the following screen will be appearedU Preventing from the CR motor fall into the non Alone more then 5 minutes in the Head Anguler Bi-D Adjustment Bi-D Adjustment Pattern Sample Head Cleaning Initial Ink Charge Protect Counter Reset Counter Value for Ink AbsorberProtect Counter Value Maintenance Cleaning Service Maintenance„ Never use chemical solvents, such as thinner, to Lubrication „ Never use oil and the grease other than thoseLubrication Point Type Name Epson Code Supplier ASF A R , 2 3 V e r a p p l y t h e o i l Appendix Connector Summary Connector Summary for C259MainConnector CN4 Major Component Unit Connector CN5 Connector CN6Connector CN7 Connector CN8 Connector CN10 10. Connector CN11 Component Layout C259 Main Component Layout Appendix Component Layout 101 Exploded Diagram Exploded Diagram-1 Exploded Diagram for Epson Stylus Photo 750 2/3 Exploded Diagram for Epson Stylus Photo 750 3/3 Electric Circuit Page Page