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Epson Stylus C110 Service Manual

Color inkjet printer
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SERVICE MANUAL

Color Inkjet Printer
EPSON Stylus C110/C120/D120
SEIJ07-001
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Summary of Contents for Epson Stylus C110

  • Page 1: Service Manual

    SERVICE MANUAL Color Inkjet Printer EPSON Stylus C110/C120/D120 SEIJ07-001 Downloaded from www.Manualslib.com manuals search engine...
  • Page 2 The contents of this manual are subject to change without notice. All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them.
  • Page 3 MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUMBER/RATING PLATE. IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE.

  • Page 4: About This Manual

    Provides Epson-approved methods for adjustment. CHAPTER 6.MAINTENANCE Provides preventive maintenance procedures and the lists of Epson- May indicate an operating or maintenance procedure, practice or C H E C K approved lubricants and adhesives required for servicing the product.
  • Page 5 Revision Status Revision Date of Issue Description August 9, 2007 First Release September 21, 2007 Chapter 1 • 1.2.1 Basic Specifications (p. 10) : Note about a special nozzle of each color on the Printhead is added. • 1.2.3 Supported Paper (p. 12) : Note about nominal weight is added.

  • Page 6: Table Of Contents

    EPSON Stylus C110/C120/D120 Revision B Contents Chapter 1 PRODUCT DESCRIPTION Chapter 2 OPERATING PRINCIPLE 1.1 Features........................9 2.1 Overview ......................21 2.1.1 Printer Mechanism..................21 1.2 Printing Specifications..................10 2.1.2 Motors & Sensors ..................22 1.2.1 Basic Specifications..................10 1.2.2 Print Mode ....................10 2.2 Printer Mechanism Operating Principles ............
  • Page 7 EPSON Stylus C110/C120/D120 Revision B Chapter 4 DISASSEMBLY/ASSEMBLY Chapter 5 ADJUSTMENT 4.1 Overview ......................70 5.1 Adjustment Items and Overview............... 108 4.1.1 Precautions....................70 5.1.1 Servicing Adjustment Item List..............108 4.1.2 Tools ......................70 5.1.2 Required Adjustments ................110 4.1.3 Work Completion Check ................71 5.2 Using the Adjustment Program .................

  • Page 8: Product Description

    C H A P T E R PRODUCT DESCRIPTION Downloaded from www.Manualslib.com manuals search engine...

  • Page 9: Chapter 1 Product Description

    EPSON Stylus C110/C120/D120 Revision B 1.1 Features EPSON Stylus C110/C120/D120 are single-function color ink-jet printers. The main features are; High speed & High quality Maximum print resolution: SMGA 5760 (H) x 1440 (V) dpi Newly developed F3-3 Mach Turbo II Printhead achieves higher black&white print speed than ever.

  • Page 10: Printing Specifications

    EPSON Stylus C110/C120/D120 Revision B 1.2 Printing Specifications 1.2.2 Print Mode Table 1-2. Print Mode (Color) 1.2.1 Basic Specifications Print Resolution Dot Size Micro Border- Media Bi-d Mode (H x V) dpi (cps) Weave less Table 1-1. Printer Specifications • Plain paper...
  • Page 11 EPSON Stylus C110/C120/D120 Revision B Table 1-2. Print Mode (Color) Table 1-3. Print Mode (Monochrome) Print Resolution Dot Size Micro Border- Print Resolution Dot Size Micro Border- Media Bi-d Media Bi-d Mode (H x V) dpi (cps) Weave less Mode...

  • Page 12: Supported Paper

    EPSON Stylus C110/C120/D120 Revision B 1.2.3 Supported Paper The table below lists the paper type and sizes supported by the printer. The Supported paper type and sizes vary depending on destinations (between EAI, EUR, and Asia). Table 1-4. Supported Paper...
  • Page 13 EPSON Stylus C110/C120/D120 Revision B Table 1-4. Supported Paper Asia Thickness Paper Name Paper Size Weight (mm) Letter 215.9 x 279.4 mm (8.5”x11”) 210 x 297 mm (8.3”x11.7”) 8” x 10” 203.2 x 254 mm Premium Photo Paper Glossy (EAI) 255 g/m 0.27...

  • Page 14: Printing Area

    1.2.4 Printing Area 1.2.5 Ink Cartridge The printing area for this printer is shown below. The product numbers of the EPSON ink cartridges for this printer are shown below. Table 1-5. Printing Area (Margins) Table 1-6. Product No. of Ink Cartridges...

  • Page 15: Interface

    EPSON Stylus C110/C120/D120 Revision B 1.3 Interface 1.4 General Specifications The printer has a USB interface of the following specification. 1.4.1 Electrical Specifications Standards Primary power input “Universal Serial Bus Specifications Revision 2.0” Table 1-9. Primary Power Specifications “Universal Serial Bus Device Class Definition for Printing Devices Version 1.1”...

  • Page 16: Environmental Conditions

    EPSON Stylus C110/C120/D120 Revision B 1.4.2 Environmental Conditions 1.4.3 Durability Total print life: Black 20,000 pages (A4, 3.5% duty), Table 1-10. Environmental Conditions Color 10,000 pages (A4, ISOFDC24712), Condition Temperature Humidity *1,2 Shock Vibration or five years which ever comes first 10 to 35°C...

  • Page 17: Operation Buttons & Indicators (Leds)

    EPSON Stylus C110/C120/D120 Revision B 1.5 Operation Buttons & Indicators (LEDs) 1.5.3 Operation Buttons & LEDs Functions Detailed information on the buttons and LEDs functions are listed below. 1.5.1 Operation Buttons Table 1-13. Operation Button Functions The printer has the following three operation buttons.
  • Page 18 EPSON Stylus C110/C120/D120 Revision B Table 1-14. Indicators (LEDs) Function Indicators (LEDs) Pri- Printer Status ority* Power Paper Flashes at Powering off high speed Flashes at Flashes at Fatal error high speed high speed Flashes Flashes Maintenance request alternately 2...

  • Page 19: Errors & Remedies

    EPSON Stylus C110/C120/D120 Revision B 1.5.4 Errors & Remedies Error Description Remedies Turn the power Off and back it Fatal error A mechanical error has occurred. Waste ink pads need to be Replace the waste ink pads and Maintenance request replaced.
  • Page 20 C H A P T E R OPERATING PRINCIPLE Downloaded from www.Manualslib.com manuals search engine...

  • Page 21: Overview

    Timing Belt As the conventional models, Stylus C110/C120/D120 is equipped with two DC motors; one is used to drive the paper loading, paper feed mechanisms, and the pump mechanism that includes the carriage lock mechanism, and another one is used to drive the carriage mechanism.

  • Page 22: Motors & Sensors

    EPSON Stylus C110/C120/D120 Revision B 2.1.2 Motors & Sensors Stylus C110/C120/D120 printer mechanism is equipped with the following printhead, Cover Open Sensor motors and sensors. Figure 2-3 shows their locations. Table 2-1. List of Motors & Sensors PF Motor CR Encoder Sensor...

  • Page 23: Printer Mechanism Operating Principles

    *Head ID is stored in EEPROM Nozzle Plate Ink Cavity Filter printhead has its own Head ID (10-digits code for Stylus C110/C120/D120) which on the main board. corrects PZT drive voltage for the printhead. Figure 2-4. Printhead Mechanism OPERATING PRINCIPLE...
  • Page 24 Variable dot mode When not firing ink drop This mode is developed to improve the print quality on Epson designated paper. When the printing signal is not output from the C687 main board, or the PZT drive Three sizes of dot; micro, middle, and large are automatically selected and used voltage is not applied, the PZT does not change its shape.

  • Page 25: Carriage Mechanism

    EPSON Stylus C110/C120/D120 Revision B 2.2.2 Carriage Mechanism the CR mechanical load is in the initial state and saved into the EEPROM. According to the variations measured in the sequence, the voltage is corrected to The carriage mechanism components include the carriage unit (including printhead, make the drive current value constant reducing an individual difference.

  • Page 26: Paper Loading/Paper Feed Mechanism

    EPSON Stylus C110/C120/D120 Revision B 2.2.3 Paper Loading/Paper Feed Mechanism Left side Spur Gear A The paper loading/feed mechanism are driven and controlled by the PF motor (DC (PF Roller) PF Encoder Sensor PF Scale motor) and the PF encoder.
  • Page 27 EPSON Stylus C110/C120/D120 Revision B 2.2.3.1 Paper Loading Mechanism (ASF Unit) 1: ASF H OSITION The paper loading mechanism loads paper from the ASF unit and feeds paper to the PF The counterclockwise rotation of the PF motor pinion gear (as seen from the left of the roller.
  • Page 28 EPSON Stylus C110/C120/D120 Revision B 2: R LD R 3: F ELEASING LUTCH EVER TO RIVE OLLER EEDING APER FROM When the PF motor pinion gear starts clockwise rotation (as seen from the left side), After the engagement of the clutch, the PF motor pinion gear starts counterclockwise the change lever is moved toward the front of the printer to release the clutch lever.
  • Page 29 EPSON Stylus C110/C120/D120 Revision B 4: E NDING APER OADING PERATION Continuous counterclockwise rotation of the LD roller (as seen from the left side) feeds paper to the PF roller. The LD roller rotation causes the hopper release cam and the paper back lever cam to push down the hopper and the paper back lever respectively.
  • Page 30 EPSON Stylus C110/C120/D120 Revision B 2.2.3.2 Paper Feed Mechanism The figure below shows how the PF motor pinion gear drive force is transmitted to the PF roller, EJ roller, paper guide roller and the star wheel roller. The major components of the paper feed mechanism are the PF motor, PF roller, EJ roller, PE sensor, PF encoder sensor, and PF scale.

  • Page 31: Ink System Mechanism

    EPSON Stylus C110/C120/D120 Revision B 2.2.4 Ink System Mechanism 2.2.4.1 Capping Mechanism The capping mechanism incorporates the wiping mechanism, however, the two The ink system mechanism includes the capping mechanism and the pump mechanism. mechanisms operate independently. Capping the printhead is performed by the carriage And the capping mechanism includes the carriage lock mechanism and the wiping movement as the conventional models (such as Stylus CX4900/CX5000/CX6000) do.

  • Page 32: Wiping Mechanism

    EPSON Stylus C110/C120/D120 Revision B 2.2.4.3 Wiping Mechanism The wiping mechanism is activated by the capping operation. The mechanism moves the wiper into- and out-of position for cleaning the head using the PF motor drive force that is transmitted via the cam of the clutch-equipped combination gear.

  • Page 33: Pump Unit Mechanism

    EPSON Stylus C110/C120/D120 Revision B 2.2.4.4 Pump Unit Mechanism PF Encoder Sensor PF Scale The PF motor drives the pump unit mechanism as well as the paper loading/feed mechanisms. The motor drive force is always transmitted to the pump unit. (It is also transmitted to the LD roller via the clutch mechanism and the change lever.)

  • Page 34: Ink Sequence

    CL3 at the next power-on. Manual Cleaning Stylus C110/C120/D120 offers three types of manual head cleaning (CL1, CL2, and CL3) that can be run from the control panel. They delete air bubbles in ink, clear nozzle clogging, or to eject foreign materials.

  • Page 35: Electrical Circuit Operating Principles

    +42VDC to the drive line. board. The application of the output voltage is described below. The electric circuit of Stylus C110/C120/D120 consists of the following boards. Table 2-5. Application Of The DC Voltages Main Board...

  • Page 36: C687 Main Board

    EPSON Stylus C110/C120/D120 Revision B 2.3.2 C687 Main Board 2.3.2.1 Major Components on Main Board The table below lists the major components on the C687 main board. The logic circuit of the C687 main board consists of the following components.
  • Page 37 EPSON Stylus C110/C120/D120 Revision B CR Motor Data Flash-ROM (IC1) Address Motor driver PF Motor (IC5) Data SDRAM (IC2) Address CPU-ASIC (IC8) CN10 PF Encoder Sensor Reset IC (IC3) PE Sensor EEPROM (IC9) Cover Open Sensor Head Q3, Q4 driver...

  • Page 38: Printhead Driver Circuit

    EPSON Stylus C110/C120/D120 Revision B 2.3.2.2 Printhead Driver Circuit Head driver Nozzle selector IC (IC8) (IC7) The printhead driver circuit consists of the following two components: +42V VCC45 Head common driver circuit (Head driver IC11 & Wave amplifier transistor HDAC_D0...

  • Page 39: Motor Driver Circuit

    EPSON Stylus C110/C120/D120 Revision B 2.3.2.3 Motor Driver Circuit +3.3V +42V +3.3V Motor driver (IC5) (IC8) CR/PF M OTOR DRIVE CIRCUIT CR-A OUT1A The motor driver IC (IC5) on the main board drives CR/PF motors. The both motors CR Motor...
  • Page 40 EPSON Stylus C110/C120/D120 Revision B 2.3.2.4 Reset Circuit/EEPROM Circuit ESET IRCUIT +3.3V EEPROM (IC9) (IC8) The reset IC (IC3) monitors +3.3V on the logic line and +42V on the drive line. It outputs a reset signal to the CPU (IC8) in the cases described below.

  • Page 41: Sensor Circuit

    EPSON Stylus C110/C120/D120 Revision B 2.3.2.5 Sensor Circuit Cover Open Sensor This sensor is mounted on the backside of the upper housing (far left) and detects CPU (IC8) on the main board monitors the status of the printer by several sensors.

  • Page 42: Chapter 3 Troubleshooting

    C H A P T E R TROUBLESHOOTING Downloaded from www.Manualslib.com manuals search engine...

  • Page 43: Overview

    EPSON Stylus C110/C120/D120 Revision B 3.1 Overview 3.1.2 Preliminary Checks Before starting troubleshooting, be sure to verify that the following conditions This chapter describes how to solve problems. are all met: Be careful to avoid electric shocks when checking the electrical W A R N I N G The power supply voltage must be within the specification limits.

  • Page 44: Troubleshooting

    EPSON Stylus C110/C120/D120 Revision B 3.2 Troubleshooting 3.2.1 Motor and Sensor Troubleshooting Motors The resistance values for the CR motor and the PF motor are given below, however, the values cannot be used to check the motors status since they are DC motor and the resistance between the electric poles varies.

  • Page 45: Error Indications And Fault Occurrence Causes

    EPSON Stylus C110/C120/D120 Revision B 3.2.2 Error Indications and Fault Occurrence Causes This section describes the LED indications, STM3 messages and fault occurrence causes at occurrence of the following errors during any sequence/operation (e.g. power-on sequence, paper feeding/loading sequence, ink sucking sequence).
  • Page 46 EPSON Stylus C110/C120/D120 Revision B Printer Status Replace Ink Cartridge or No Ink Cartridge CSIC Error Incorrect I/C Paper Jam Power — — — — — Paper — — — Brink 1 Status monitor 3 message This error occurs when any one of the...
  • Page 47 EPSON Stylus C110/C120/D120 Revision B Printer Status Maintenance Request Fatal Error Cover Open Error Power — Brink 1 Brink 3 Brink 4 Paper Brink 2 Brink 3 Brink 4 Status monitor 3 message Fault This error occurs when the Waste Ink...
  • Page 48 EPSON Stylus C110/C120/D120 Revision B Table 3-3. Check point for fatal error according to each phenomenon Occurrence timing Defective unit/ Detailed phenomenon Check point Remedy CR position part name 1. Check if the CR Motor Connector Cable is connected to 1.
  • Page 49 EPSON Stylus C110/C120/D120 Revision B Table 3-3. Check point for fatal error according to each phenomenon Occurrence timing Defective unit/ Detailed phenomenon Check point Remedy CR position part name 1. Check if the PF Motor Connector Cable is connected to 1.
  • Page 50 EPSON Stylus C110/C120/D120 Revision B Table 3-3. Check point for fatal error according to each phenomenon Occurrence timing Defective unit/ Detailed phenomenon Check point Remedy CR position part name 1. Check if the CR Scale does not come off or it properly 1.
  • Page 51 EPSON Stylus C110/C120/D120 Revision B Table 3-3. Check point for fatal error according to each phenomenon Occurrence timing Defective unit/ Detailed phenomenon Check point Remedy CR position part name 1. Check if the PF Scale is not damaged or contaminated.
  • Page 52 EPSON Stylus C110/C120/D120 Revision B Table 3-4. Check point for cover open error according to each phenomenon Occurrence timing Defective unit/ Detailed phenomenon Check point Remedy CR position part name 1. Check if the Cover Open Sensor Connector Cable is 1.
  • Page 53 EPSON Stylus C110/C120/D120 Revision B Table 3-6. Check point for paper jam error according to each phenomenon Occurrence timing Defective unit/ Detailed phenomenon Check point Remedy CR position part name 1. Check if the ASF Unit is properly installed. 1. Install the ASF Unit properly.
  • Page 54 EPSON Stylus C110/C120/D120 Revision B Table 3-6. Check point for paper jam error according to each phenomenon Occurrence timing Defective unit/ Detailed phenomenon Check point Remedy CR position part name 1. Check if the Star Wheel Holder Assy is correctly 1.
  • Page 55 EPSON Stylus C110/C120/D120 Revision B Table 3-6. Check point for paper jam error according to each phenomenon Occurrence timing Defective unit/ Detailed phenomenon Check point Remedy CR position part name 1. Check if the Upper Paper Guide Unit is correctly 1.
  • Page 56 EPSON Stylus C110/C120/D120 Revision B Table 3-7. Check point for no ink cartridge/CSIC error/incorrect ink cartridge according to each phenomenon Occurrence timing Defective unit/ Detailed phenomenon Check point Remedy CR position part name 1. Check if Ink Cartridge is properly installed.
  • Page 57 EPSON Stylus C110/C120/D120 Revision B Table 3-8. Check point for paper out error according to each phenomenon Occurrence timing Defective unit/ Detailed phenomenon Check point Remedy CR position part name 1. Check if any paper dust is not adhered to the surface of 1.
  • Page 58 EPSON Stylus C110/C120/D120 Revision B Table 3-8. Check point for paper out error according to each phenomenon Occurrence timing Defective unit/ Detailed phenomenon Check point Remedy CR position part name 1. Check if the Extension Spring 0.143 does not come off in 1.
  • Page 59 EPSON Stylus C110/C120/D120 Revision B Table 3-8. Check point for paper out error according to each phenomenon Occurrence timing Defective unit/ Detailed phenomenon Check point Remedy CR position part name The LD Roller is not set to the ASF home 1.
  • Page 60 EPSON Stylus C110/C120/D120 Revision B Table 3-10. Check point for double feed error according to each phenomenon Occurrence timing Defective unit/ Detailed phenomenon Check point Remedy CR position part name 1. Check if the Extension Spring Retard operates correctly 1. Set the Extension Spring Retard between the in the paper loading sequence.
  • Page 61 EPSON Stylus C110/C120/D120 Revision B Table 3-11. Check point for communication error according to each phenomenon Occurrence timing Defective unit/ Detailed phenomenon Check point Remedy CR position part name 1. Check if the Panel FFC is connected to CN1 on the Panel 1.
  • Page 62 EPSON Stylus C110/C120/D120 Revision B Table 3-11. Check point for communication error according to each phenomenon Occurrence timing Defective unit/ Detailed phenomenon Check point Remedy CR position part name 1. Check if the USB Cable is connected between the printer 1.

  • Page 63: Superficial Phenomenon-Based Troubleshooting

    EPSON Stylus C110/C120/D120 Revision B 3.2.3 Superficial Phenomenon-Based Troubleshooting This section explains the fault locations of the error states (print quality and abnormal noise) other than the error states (LED and STM3) in the previous section. Table 3-12. Check point for multiple sheets of paper are always loaded without LEDs and STM3...
  • Page 64 EPSON Stylus C110/C120/D120 Revision B Table 3-13. Check point for the abnormal noise Occurrence timing Defective unit/ Detailed phenomenon Check point Remedy CR position part name The abnormal noise occurs at the first 1. Check if the grease on the Carriage Path is sufficient.
  • Page 65 EPSON Stylus C110/C120/D120 Revision B Table 3-14. Check point for the poor printing quality Defective unit/ Print Quality State Detailed phenomenon Check point Remedy part name 1. Check if the Head FFC is securely connected to the 1. Connect the Head FFC to the Printhead and the Printhead Connectors and the Main Board Connectors Main Board Connectors.
  • Page 66 EPSON Stylus C110/C120/D120 Revision B Table 3-14. Check point for the poor printing quality Defective unit/ Print Quality State Detailed phenomenon Check point Remedy part name Printer driver & 1. Check if the suitable paper is used according to the printer 1.
  • Page 67 EPSON Stylus C110/C120/D120 Revision B Table 3-14. Check point for the poor printing quality Defective unit/ Print Quality State Detailed phenomenon Check point Remedy part name 1. Check if any paper dust is not adhered to the surface of 1. Set a cleaning sheet in the ASF up side down.
  • Page 68 EPSON Stylus C110/C120/D120 Revision B Table 3-14. Check point for the poor printing quality Defective unit/ Print Quality State Detailed phenomenon Check point Remedy part name 1. Check if the Printhead Cover does not have the ink drop. 1. Clean the Printhead Cover carefully with a soft Printhead cloth.

  • Page 69: Chapter 4 Disassembly/Assembly

    C H A P T E R DISASSEMBLY/ASSEMBLY Downloaded from www.Manualslib.com manuals search engine...

  • Page 70: Overview

    4.1.1 Precautions 4.1.2 Tools See the precautions given under the heading “WARNING” and “CAUTION” in the following columns when disassembling or assembling Stylus C110/C120/D120. Use only specified tools to avoid damaging the printer. Disconnect the power cable before disassembling or assembling W A R N I N G Table 4-1.

  • Page 71: Work Completion Check

    EPSON Stylus C110/C120/D120 Revision B 4.1.3 Work Completion Check Classification Item Status Check Point If any service is made to the printer, use the checklist shown below to confirm all Are the ink cartridges installed Ink Cartridge OK / works are completed properly and the printer is ready to be returned to the user.

  • Page 72: Disassembly Procedures

    EPSON Stylus C110/C120/D120 Revision B 4.2 Disassembly Procedures For disassembling each unit, refer to the pages in the following flowchart. Start “ 4.3.4 Upper Housing/Cover “ 4.3.1 Paper Support Assy. ” (p73) “ 4.3.2 Stacker Assy. ” (p73) “ 4.3.3 Cover Printer ” (p74) Open Sensor ”...

  • Page 73: Removing Housing

    EPSON Stylus C110/C120/D120 Revision B 4.3 Removing Housing 4.3.2 Stacker Assy. Part/Unit that should be removed before removing Stacker Assy. 4.3.1 Paper Support Assy. None Part/Unit that should be removed before removing Paper Support Assy. Removal Procedure None Open the Stacker Assy.

  • Page 74: Cover Printer

    EPSON Stylus C110/C120/D120 Revision B 4.3.3 Cover Printer 4.3.4 Upper Housing/Cover Open Sensor Part/Unit that should be removed before removing Cover Printer Part/Unit that should be removed before removing Upper Housing/Cover Open Sensor None None Removal Procedure Removal Procedure Release the guide pins (x2) that secure the Cover Printer and remove it from Upper Housing.
  • Page 75 EPSON Stylus C110/C120/D120 Revision B Remove the screws (x4) that secure the Upper Housing. Lift the Upper Housing a little to disconnect the connector (CN4) of the Cover Open Sensor from the Main Board, then remove the Upper Housing. Upper Housing Connector of Cover Open Sensor C.B.P.

  • Page 76: Removing Board

    EPSON Stylus C110/C120/D120 Revision B 4.4 Removing Board 4.4.1 Main Board Unit/Left Frame Part/Unit that should be removed before removing Main Board Unit/Left Frame Upper Housing CN10 Removal Procedure Be careful not to bend or damage the Panel Unit FFC when C A U T I O N removing it.
  • Page 77 EPSON Stylus C110/C120/D120 Revision B Peel off the acetate tape (x1) that secures the Head FFC and the Left Frame Peel off the Panel Unit FFC from both the Main Board Unit and the Left Frame, together, and release the Head FFC from the hook (x1) on the Left Frame.
  • Page 78 EPSON Stylus C110/C120/D120 Revision B Be careful not to damage the PF Scale and the Spur Gear of When routing the Head FFC on the Left Frame, secure the the EJ roller when installing the Main Board Unit and the Head FFC with an acetate tape on the specified position as Panel Unit.

  • Page 79: Panel Unit

    EPSON Stylus C110/C120/D120 Revision B 4.4.2 Panel Unit Remove the screws (x2) that secure the Panel Board and the Panel Shield Plate, and remove them together. Part/Unit that should be removed before removing Panel Unit Upper Housing Panel Shield Plate...
  • Page 80 EPSON Stylus C110/C120/D120 Revision B Remove the Light Guide Tube from the Panel Housing. Light Guide Tube Panel Housing Guide Pin and Positioning Hole Figure 4-20. Removing Light Guide Tube Insert the guide pins (x2) of the Panel Housing into the...

  • Page 81: Power Supply Unit

    EPSON Stylus C110/C120/D120 Revision B 4.4.3 Power Supply Unit When installing the Power Supply Unit, make sure to check the following points. Part/Unit that should be removed before removing Power Supply Unit Insert the tabs (x2) of the Power Supply Unit into the holes on Upper Housing/Lower Housing the Base Frame.

  • Page 82: Disassembling Printer Mechanism

    EPSON Stylus C110/C120/D120 Revision B 4.5 Disassembling Printer Mechanism Remove the screws (x4) that secure the Printer Mechanism to the Lower Housing, and remove it. 4.5.1 Removing Printer Mechanism (Lower Housing) Part/Unit that should be removed before removing Printer Mechanism...

  • Page 83: Printhead

    EPSON Stylus C110/C120/D120 Revision B 4.5.2 Printhead Disconnect the Head FFC (x1) that is connected to the CSIC Board. Release the tabs (x2) that secure the Holder Board Assy. using a needle or a Part/Unit that should be removed before removing Printer Mechanism similar tool, and remove the Holder Board Assy.
  • Page 84 EPSON Stylus C110/C120/D120 Revision B Do not touch or damage the nozzles or the ink supply needles of the Tighten the screws in the order given in Figure 4-29. C A U T I O N Printhead. Insert the Holder Board Assy. vertically into the CR Unit so as not to put the assy.

  • Page 85: Cr Scale

    EPSON Stylus C110/C120/D120 Revision B 4.5.3 CR Scale Release the Extension Spring 3.289 from the hook of the Main Frame. Rotate the CR Scale 90 degrees as shown in the figure and remove the scale from Part/Unit that should be removed before removing CR Scale the Main Frame.

  • Page 86: Hopper

    EPSON Stylus C110/C120/D120 Revision B 4.5.4 Hopper When installing the Hopper, be sure to engage the rib of the Hopper with the guide groove of the Base Frame. Part/Unit that should be removed before removing Hopper Upper Housing/Lower Housing Removal Procedure Hopper Release the dowel A of the Hopper.

  • Page 87: Front Frame/Right Frame

    EPSON Stylus C110/C120/D120 Revision B 4.5.5 Front Frame/Right Frame Remove the screw (x1) that secure the Front Frame and the Right Frame together. Release the dowel (x1) and the hook (x1) that secure the Right Frame, and remove Part/Unit that should be removed before removing Front Frame/Right Frame...

  • Page 88: Star Wheel Holder Assy

    EPSON Stylus C110/C120/D120 Revision B 4.5.6 Star Wheel Holder Assy. After replacing the Front Frame, be sure to attach an acetate tape referring to the figure below. Part/Unit that should be removed before removing Star Wheel Holder Assy. Upper Housing/Lower Housing/Main Board Unit/Left Frame/Panel Unit...

  • Page 89: Chapter 6 Maintenance

    EPSON Stylus C110/C120/D120 Revision B 4.5.7 EJ Roller When installing the EJ Roller, pay attention to the following instructions. Part/Unit that should be removed before removing EJ Roller • Make sure that the rubber part of the EJ Roller does not Upper Housing/Lower Housing/Main Board Unit/Left Frame/Panel Unit/Star contact with the hook of the Front Paper Guide.

  • Page 90: Pf Encoder Sensor

    EPSON Stylus C110/C120/D120 Revision B 4.5.8 PF Encoder Sensor When installing the PF Encoder Sensor, be sure to attach the acetate tape (x1) referring to the figure below. Part/Unit that should be removed before removing PF Encoder Sensor Upper Housing/Lower Housing/Main Board Unit/Left Frame/Panel Unit...

  • Page 91: Pf Scale

    EPSON Stylus C110/C120/D120 Revision B 4.5.9 PF Scale 4.5.10 PF Motor Part/Unit that should be removed before removing PF Scale Part/Unit that should be removed before removing PF Motor Upper Housing/Lower Housing/Main Board Unit/Left Frame/Panel Unit/PF Upper Housing/Lower Housing/Main Board Unit/Left Frame/Panel Unit/PF...
  • Page 92 EPSON Stylus C110/C120/D120 Revision B When installing the PF Motor, pay attention to the following 2. Pass the Grounding Spring along the inner side of the hook of instructions. the Main Frame. • Do not damage the PF Scale. 3. Ground the smaller U-shaped end of the Grounding Spring with the undersurface of the frame for PF Motor.

  • Page 93: Cr Motor

    EPSON Stylus C110/C120/D120 Revision B 4.5.11 CR Motor After releasing the Timing Belt, temporarily secure the belt to the C A U T I O N Cartridge Cover with a tape or the like so as not to allow the grease Part/Unit that should be removed before removing CR Motor to come in contact with the Timing Belt.
  • Page 94 EPSON Stylus C110/C120/D120 Revision B Be sure to install the CR Motor so that the groove on it faces downward. CR Motor Groove Figure 4-55. Installing CR Motor Tighten the screws in the order given in Figure 4-54. Make sure that there is no gap between the CR Motor and the Main Frame.

  • Page 95: Main Frame Assy

    EPSON Stylus C110/C120/D120 Revision B 4.5.12 Main Frame Assy. Move the CR Unit to left side of the printer. Remove the screw (x1) that secures the LD Shaft Holder. Part/Unit that should be removed before removing Main Frame Assy. Move the LD Shaft Holder in the direction of the arrow while holding down its tab Upper Housing/Lower Housing/Main Board Unit/Left Frame/Panel Unit/Front with a flathead precision screwdriver, and remove the LD Shaft Holder.
  • Page 96 EPSON Stylus C110/C120/D120 Revision B When laying the Main Frame Assy, make sure to put it as shown in the When installing the Main Frame Assy, pay attention to the C A U T I O N figure below. Do not lay it with the rollers of the Upper Paper Guide following instructions.

  • Page 97: Cr Unit

    EPSON Stylus C110/C120/D120 Revision B 4.5.13 CR Unit Tighten the screws in the order given in Figure 4-60. Follow the steps below to install the Extension Spring 10.99 to Part/Unit that should be removed before removing CR Unit the Upper Paper Guide.
  • Page 98 EPSON Stylus C110/C120/D120 Revision B Release the Timing Belt from the groove of the CR Unit. Put the part of the Timing Belt that has serrated surface on its both sides into the groove of the CR Unit. CR Unit...

  • Page 99: Upper Paper Guide

    EPSON Stylus C110/C120/D120 Revision B 4.5.14 Upper Paper Guide 4.5.15 ASF Unit Part/Unit that should be removed before removing Upper Paper Guide Part/Unit that should be removed before removing ASF Unit Upper Housing/Lower Housing/Main Board Unit/Left Frame/Panel Unit/Front Upper Housing/Lower Housing/Main Board Unit/Left Frame/Panel Unit/Front Frame/Right Frame/CR Motor/CR Scale/Hopper/Main Frame Assy.
  • Page 100 EPSON Stylus C110/C120/D120 Revision B Remove the screws (x2) that secure the ASF Unit. When installing the ASF Unit, be sure to align the guide pins (x2) of the Base Frame with the positioning holes (x2) of the ASF Unit shown in the Figure 4-70.

  • Page 101: Ink System Unit

    EPSON Stylus C110/C120/D120 Revision B 4.5.16 Ink System Unit Detach the Waste Ink Tube together with the Tube Stopper from the Waste Ink Cover. Part/Unit that should be removed before removing Ink System Unit Detach the Waste Ink Tube from the groove of the Base Frame.
  • Page 102 EPSON Stylus C110/C120/D120 Revision B If the Carriage lock lever comes off, reassemble it following When installing the Ink System Unit, pay attention to the the steps below. following instructions. 1. Attach the one end of the Extension Spring 0.8 to the hook •...
  • Page 103 EPSON Stylus C110/C120/D120 Revision B Pass the Waste Ink Tube through the groove of the Base Frame so that the red line of the Waste Ink Tube faces to the Ink System Unit side. Waste Ink Tube Groove Figure 4-79. Routing Waste Ink Tube Referring to the figure below, attach the Tube Stopper to the Waste Ink Tube, and insert them into the Waste Ink Cover.

  • Page 104: Front Paper Guide

    EPSON Stylus C110/C120/D120 Revision B 4.5.17 Front Paper Guide Release the hook (x1) of the Front Paper Guide, and remove it. Part/Unit that should be removed before removing Front Paper Guide Front Paper Guide Upper Housing/Lower Housing/Main Board Unit/Left Frame/Panel Unit/Front Frame/Right Frame/CR Motor/CR Scale/Hopper/Main Frame Ashy./ASF Unit/Ink...

  • Page 105: Pf Roller

    EPSON Stylus C110/C120/D120 Revision B 4.5.18 PF Roller Release the PF Roller from the cutout of the Base Frame (Step 2-1), and remove it (Step 2-2). Part/Unit that should be removed before removing PF Roller Upper Housing/Lower Housing/Main Board Unit/Left Frame/Panel Unit/Front Frame/Right Frame/CR Motor/CR Scale/Hopper/Main Frame Assy./ASF Unit/Ink...

  • Page 106: Waste Ink Pads

    EPSON Stylus C110/C120/D120 Revision B 4.5.19 Waste Ink Pads When installing the Diffusion Sheet, Waste Ink Cover, and the Waste Ink Pads (x3) on section B, attach them in the order Part/Unit that should be removed before removing Waste Ink Pads...
  • Page 107 C H A P T E R ADJUSTMENT Downloaded from www.Manualslib.com manuals search engine...

  • Page 108: Adjustment Items And Overview

    EPSON Stylus C110/C120/D120 Revision B 5.1 Adjustment Items and Overview For information on how to carry out the adjustments and media C H E C K required for the adjustments, see the instructions displayed by the P O I N T This chapter describes adjustments required after the disassembly/reassembly of the Adjustment Program.
  • Page 109 EPSON Stylus C110/C120/D120 Revision B Table 5-1. Adjustment Items Adjustment Item Purpose Method Outline Tool • Adjustment Program This must be carried out for efficient heat control of the CR motor. Select the parts that you replaced. The correction values are...

  • Page 110: Required Adjustments

    EPSON Stylus C110/C120/D120 Revision B 5.1.2 Required Adjustments The table below lists the required adjustments depending upon the parts being repaired or replaced. Find the part(s) you removed or replaced, and check which adjustment(s) must be carried out. Table 5-4. Required Adjustment List...
  • Page 111 EPSON Stylus C110/C120/D120 Revision B Table 5-4. Required Adjustment List Priority Adjustment Item Part Name Remove ASF unit Replace Remove CR unit Replace Remove Upper paper guide Replace Reset to 0 Remove Front paper guide unit Replace Remove PF roller...

  • Page 112: Using The Adjustment Program

    EPSON Stylus C110/C120/D120 Revision B 5.2 Using the Adjustment Program 5.2.2 First Dot Position Adjustment The following pattern is printed. This section describes how to judge the adjustment patterns printed by the Adjustment Program. For information on how to operate the Adjustment Program, see the instructions displayed by the Adjustment Program.

  • Page 113: Head Angular Adjustment

    EPSON Stylus C110/C120/D120 Revision B 5.2.3 Head Angular Adjustment 5.2.4 Bi-D Adjustment The following pattern is printed. The lines below “1 to 80” are printed while the The following pattern is printed for each of the five print mode (five dot size modes).

  • Page 114: Pf Adjustment

    EPSON Stylus C110/C120/D120 Revision B 5.2.5 PF Adjustment PF- for bottom margin area The following pattern is printed. PF- for standard print area The following pattern is printed. Upper pattern Lower pattern Figure 5-6. PF (bottom margin area) Adjustment Printout Pattern...

  • Page 115: Pf Band Adjustment

    EPSON Stylus C110/C120/D120 Revision B 5.2.6 PF Band Adjustment The following pattern is printed. Figure 5-7. PF Band Adjustment Printout Pattern How to Judge Examine the printout patterns and enter the value for the pattern with no overlap and gap between the two rectangles.
  • Page 116 C H A P T E R MAINTENANCE Downloaded from www.Manualslib.com manuals search engine...

  • Page 117: Overview

    Housing. These chemicals may deform or deteriorate the * : Stylus C110/C120/D120 have three modes for manual cleaning, and even during components of the printer. printing, the appropriate cleaning mode is automatically selected and performed according to various conditions.

  • Page 118: Lubrication

    EPSON Stylus C110/C120/D120 Revision B 6.1.3 Lubrication Refer to the following figures for the lubrication points. The type and amount of the grease used to lubricate the printer parts are determined <Lubrication Point> Front based on the results of the internal evaluations. Therefore, be sure to apply the...
  • Page 119 EPSON Stylus C110/C120/D120 Revision B <Lubrication Point> Front Paper Guide Contact points (x 31) with the EJ Roller. <Lubrication Type> G-74 <Lubrication Amount> 0.04g/point <Remarks> Use a brush to apply G-74. Lubrication Points Figure 6-2. Lubrication on Front Paper Guide (1) <Lubrication Point>...
  • Page 120 EPSON Stylus C110/C120/D120 Revision B <Lubrication Point> <Lubrication Point> PF Roller Grounding Spring Contact area with the PF Roller. Cam A and Cam B of the LD Roller shaft <Lubrication Type> <Lubrication Type> G-71 G-71 <Lubrication Amount> φ <Lubrication Amount>...
  • Page 121 EPSON Stylus C110/C120/D120 Revision B <Lubrication Point> <Lubrication Point> Along the contact areas between Along the contact area between Main Frame the front of the Main Frame the back of the Main Frame and and the CR Unit. the CR Unit.

  • Page 122: Chapter 7 Appendix

    C H A P T E R APPENDIX Downloaded from www.Manualslib.com manuals search engine...

  • Page 123: Exploded Diagram / Parts List

    EPSON Stylus C110/C120/D120 Revision B 7.1 Exploded Diagram / Parts List 7.2 Electrical Circuits This manual does not provide exploded diagrams or parts list. The electric circuit diagrams below are shown at the following pages: Main Board (C687 MAIN) For the information, see SPI (Service Parts Information).
  • Page 124 Model : PX-V780 Stylus C110/C120/D120 Board : C687 MAIN Rev. Sheet : 1/1 Downloaded from www.Manualslib.com manuals search engine...
  • Page 125 Model : PX-V780 Stylus C110/C120/D120 Board : C687 PNL Rev. Sheet : 1/1 Downloaded from www.Manualslib.com manuals search engine...
  • Page 126 Model : PX-V780 Stylus C110/C120/D120 Board : C687 PSB Rev. Sheet : 1/1 Downloaded from www.Manualslib.com manuals search engine...
  • Page 127 Model : PX-V780 Stylus C110/C120/D120 : C687 PSE Board Rev. Sheet : 1/1 Downloaded from www.Manualslib.com manuals search engine...

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