Epson R2000 Service Manual
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EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Disassembling the Printer Mechanism 91 Confidential 5. Remove the coil section of Torsion Spring 24.7 from the tab on the Left CR Shaft Mounting Plate with tweezers. Figure 4-45. Removing the Torsion Spring 24.7 (1) 6. Remove Torsion Spring 24.7 from the CR Scale by the following procedure: 6-1. Stand the coil section. 6-2. Lower the coil section downwards to remove Foot 1 from the notch on the Left CR Shaft Mounting Plate. 6-3. Turn the coil section counterclockwise. 6-4. Remove Torsion Spring 24.7 from the hole on the CR Scale. Figure 4-46. Removing the Torsion Spring 24.7 (2)7. Turn the CR Scale 90º, and remove it from the tab on the Left CR Shaft Mounting Plate. Figure 4-47. Removing the CR Scale Left CR Shaft Mounting PlateTorsion Spring 24.7 Tab Step 6-1 Step 6-2 Step 6-3 Foot 1 Notch Tab
EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Disassembling the Printer Mechanism 92 Confidential 4.4.3 Printhead / CSIC Assy1.Remove the Upper Housing / Printer Cover. (p.81) 2. Release the Carriage Lock, and move the Carriage Unit to the center. (Refer to 4.1.6 Locking/Unlocking the Carriage and Opening/Closing the CDR Tray Base (p.73)) 3. Open the Ink Cartridge Cover. 4. Cut the Hinge, Cover Cartridge with a nipper or a similar tool and remove the upper part of the Hinge, Cover Cartridge. 5. Remove the Ink Cartridge Cover from the Carriage Unit. 6. Disengage the hook from the lower part of the Hinge, Cover Cartridge using a pair of Tweezers and remove the lower part of the Hinge, Cover Cartridge. Figure 4-51. Removing the Hinge, Cover Cartridge Pass the CR Scale through the slot on the CR Encoder. Figure 4-48. Reinstalling the CR Scale (1) Set the left end of the CR Scale with the black mark facing upwards. Figure 4-49. Reinstalling the CR Scale (2) Place the right end of the CR Scale correctly so that it is not hooked onto the Right CR Shaft Mounting Plate. Figure 4-50. Reinstalling the CR Scale (3) CR EncoderCR ScaleCR Scale Black Mark CR Scale Hooked Portion OK NG So as not to damage the FFC, do not use any tools with the sharp ends when removing the Cable Holder. Hinge, Cover Cartridge lower part Hook Ink Cartridge Cover Hinge, Cover Cartridge upper part
EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Disassembling the Printer Mechanism 93 Confidential 7. Disengage the two hooks that secure the Ink Guide and remove the Ink Guide from the Cartridge Unit. Figure 4-54. Removing the Ink Guide The Hinge, Cover Cartridge can not be removed without damaging it. Whenever replacing the Printhead, the Hinge, Cover Cartridge must be also replaced with a new one. Figure 4-52. Hinge, Cover CartridgeEngage the two dowels of the Ink Cartridge Cover with the installation holes on the Carriage Unit and Hinge, Cover Cartridge (one each). Figure 4-53. Reinstalling the Ink Cartridge Cover Hinge, Cover Cartridge Dowels Ink Cartridge Cover DowelsInstallation holes Ink Guide Hook
EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Disassembling the Printer Mechanism 94 Confidential 8. Peel off a piece of acetate tape and disconnect the CSIC FFC from the connector on the CSIC Board. 9. Disengage the Cable Holder from the hook and remove it. Figure 4-55. Removing the CSIC Assy (1)10. Using the special tool (see p.71) disengage the two hooks of the CSIC Assy on the right and left on the rear of the Carriage Unit and remove the CSIC Assy upward. Figure 4-56. Removing the CSIC Assy (2) Before performing the following procedure, be sure to disconnect the CSIC FFC from the connector on the CSIC board. If not, the CSIC Assy can not be removed, and the CSIC FFC may be damaged. Cable Holder Hook ConnectorCSIC FFC Acetate tape CSIC Assy CSIC Assy Hooks Rear of Carriage Unit Hooks
EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Disassembling the Printer Mechanism 95 Confidential 11. Remove the three C.B.P. M2.6 x 8 that secure the Printhead using the Phillips Screw Driver, No.1, and vertically lift the Printhead to remove it. Figure 4-57. Removing the Printhead 12. Remove the two Head FFCs from the Printhead. Figure 4-58. Remove the Head FFC 7) C.B.P. M2.6x8 (3±0.5 kgf.cm) 1 23 Head Printhead Head FFCs Confirm that the pad is attached at the position in Figure 4-59. Figure 4-59. Attaching the Pad The Printhead must be installed with its positioning holes aligned with the guide pins of the Carriage Unit. Figure 4-60. Reinstalling the Printhead (1) After replacing or removing the Printhead, always make the required adjustments referring to the following. “Chapter 5 Adjustment (p.137)” Pad Guide pins Positioning holes
EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Disassembling the Printer Mechanism 96 Confidential 4.4.4 Lower Housing / Printer Mechanism1.Remove the Upper Housing / Printer Cover. (p.81) 2. Disconnect the PictBridge cable from connector CN1 on the Main Board. 3. Disconnect the High Voltage Module cable from connector CN25 on the Main Board. Figure 4-61. Removing the Lower Housing and Printer Mechanism 4. Grip both ends of the two Ink Tube Fasteners with your fingers, slide them in the direction of the arrows, and pull out the Waste Ink Tubes from the two Ink Tubes. 5. Remove the C.B.P. M3 x 8 screw that secures the electrode cable on the Front Paper Guide and remove the electrode cable. 6. Remove the C.B.P. M3 x 10 screw and the C.B.S. (P2) M3 x 10 screw that secure the Shield Plate Holder, and remove the Shield Plate Holder. 7. Remove the five screws and one washer that secure the Printer Mechanism. (four C.B.P. M3 x 10 screws, one P.W.,4.3 x 0.8 x 8 washer attached with one of the C.B.P. screws, and one C.B.S. (P2) M3 x 10 screw)Figure 4-62. Screws that Secure the Printer Mechanism following steps, be extremely careful not to If having trouble disassembling, Module Cover to make the work easier. (refer to 4.3.3 High Voltage Module Step2 (p87) .) PictBridge cable CN1 CN25 High Voltage Module cable 1 34 4) C.B.P. M3x8 (6±1 kgf.cm) Step 5 Fastener Step 4Waste Ink Tube Ink TubeFastener 2 1) C.B.P. M3x10 (6±1 kgf.cm) Printer Mechanism Electrode cable 1) C.B.P. M3x10 (6±1 kgf.cm) 5 3) C.B.S. (P2) M3x10 & P.W.,4.3 x 0.8 x 8 (6±1 kgf.cm) Left Rear Shield Plate Holder Step 6 1) C.B.P. M3x10 (6±1 kgf.cm) 3) C.B.S. (P2) M3x10 (6±1 kgf.cm)Right Rear AB Lower Housing
EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Disassembling the Printer Mechanism 97 Confidential 8. Lift the Printer Mechanism grasping it by the holding positions with your hands, and remove it from the Lower Housing. When performing the following step, make sure to grasp the Printer Mechanism by the specified positions shown below. Otherwise, the frames may become deformed. Figure 4-63. Handling the Printer MechanismInsert the Waste Ink Tube as shown in the figure below, and secure it firmly with the Fastener. (refer to Figure 4-62 & Figure 4-64) Figure 4-64. Installing the Ink Tubes Confirm that the PictBridge cable and the Waste Ink Tube do not get caught in the Printer Mechanism. Holding Positions0 Digit Side Ink Tube joint 130 Digit Side Ink Tube 0 Digit Side Waste Ink Tube (Longer) 130 Digit Side Waste Ink Tube (Shorter) Install the Printer Mechanism to the Lower Housing as follows. (refer to Figure 4-62) 1. Align the guide pins (x2) with the positioning holes as shown below. Figure 4-65. Reinstalling the Printer Mechanism 2. Place the Printer Mechanism on the Lower Housing and secure the Shield Plate Holder and the Printer Mechanism with the screw (A). 3. Verify the Printer Mechanism and Lower Housing are tightly engaged (no rattling), and then secure the Shield Plate Holder to the Lower Housing. 4. Secure the Printer Mechanism and Lower Housing with screws (x5). (Tighten the screws in the order shown in Figure 4-62) 5. Secure the electrode cable to the Front Paper Guide with the screw. Right Rear Left Rear Positioning hole and guide pin Positioning hole and guide pin
EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Disassembling the Printer Mechanism 98 Confidential 4.4.5 Carriage Shaft / Carriage Unit1.Remove the Printhead / CSIC Assy. (p.92) 2.Remove the CR Scale. (p.90) 3.Remove the LED Board. (p.86) 4.Remove the APG Assy. (p.89) 5. Rotate the PG Cam (Right) to adjust its positions other than PG++ downside. Figure 4-67. Adjusting the PG Cam Attach the Label, Ink Position;B at the position in the figure below. Figure 4-66. Attaching the Label, Ink Position;B After replacing the Printer Mechanism, always make the required adjustments referring to the following. “Chapter 5 Adjustment (p.137)” 6mm 2mm Label, Ink Position;B PG Cam (Right)
EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Disassembling the Printer Mechanism 99 Confidential 6. Remove the two C.B.S. M3 x 6 screws that secure the Frame Support Plate (Left), and remove it. Figure 4-68. Removing the Left Frame Support Plate7. Remove the foot of Left PG Torsion Spring from tab A, and remove the coil section from tab B to remove Left PG Torsion Spring from the Main Frame. Figure 4-69. Removing the Left PG Torsion Spring 8. Remove the foot of Right PG Torsion Spring from tab A, and remove the coil section from tab B to remove the Right PG Torsion Spring from the Main Frame. Figure 4-70. Removing the Right PG Torsion Spring Insert the Left Frame Support Plate into the notch on the Main Frame. See Figure 4-68. Align the two tabs on the Main Frame and the tab on the Paper EJ Frame Assy with the three positioning holes on the Frame Support Plate (Left). See Figure 4-68. Align the tab (rear side) of the Left Frame Support Plate with the outside of the Left CR Shaft Mounting Plate. See Figure 4-68. Tighten the screws in the order shown in Figure 4-68 1 2 2) C.B.S. M3x6 (8±1 kgf.cm)Tab Tabs Left Frame Support Plate Paper EJ Frame Assy Notch Left PG Torsion Spring Tab A Tab B Right PG Torsion Spring Tab A Tab B
EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Disassembling the Printer Mechanism 100 Confidential 9. Remove CR Shaft Mounting Plate Fixed Spring from the tab and notch on the Main Frame, and pull out the spring in the direction of the arrow. Figure 4-72. Removing CR Shaft Mounting Plate Fixed Spring10. Remove the extension spring for the Driven Pulley Holder from the Main Frame and the tab on the Drive Pulley Holder with needle-nose pliers. Figure 4-73. Removing the Extension Spring for the Driven Pulley Holder 11. Slide Driven Pulley Holder to the right end of the notch on the Main Frame, and Remove the Driven Pulley Holder toward you. Figure 4-74. Removing the Driven Pulley Holder Place the feet of Left PG Torsion Spring and Right PG Torsion Spring on the Carriage Shaft. Figure 4-71. Reinstalling PG Torsion SpringsInsert the foot of CR Shaft Mounting Plate Fixed Spring into the notch on the Main Frame (rear side). (See Figure 4-72.) Foot Left Side Foot Right Side TabCR Shaft Mounting Plate Fixed Spring Notch Notch (rear side) Tabs Extension spring for the Driven Pulley Holder Driven Pulley Holder Driven Pulley Driven Pulley Holder