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Epson R2000 Service Manual

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    							EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Disassembling the Printer Mechanism 121
    Confidential
    DISASSEMBLING THE FRONT PAPER GUIDE PAD TRAY
    1.Remove the Front Paper Guide Pad Tray in the direction of the arrow. (p.120)
    2. Remove the three Waste Ink Pads from the Front Paper Guide Pad Tray.
    Figure 4-136. Removing the Waste Ink Pad
    Engage the two tabs of the Front Paper Guide Pad Tray with the 
    holes of the Front Paper Guide as shown in Figure 4-135.
    Waste Ink Pad
    Front Paper Guide Pad Tray
    Align the bushing of the Front Paper Guide with the PF Roller 
    Shaft.
    Figure 4-137. The PF Roller Shaft and the bushing of the Front 
    Paper Guide
    Align the positioning holes on the Main Frame with the guide 
    pins on the Front Paper Guide.
    Figure 4-138. Reinstalling the Front Paper Guide
    Shaft and bushing
    Guide pins 
    						
    							EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Disassembling the Printer Mechanism 122
    Confidential
    4.4.15  PF Roller Shaft1.Remove the PF Encoder. (p.132)
    2.Remove the Upper Paper Guide Assys. (p.127)
    3. Loosen the two C.C. M3 x 4 screws that secure the PF Motor, and remove the PF 
    Drive Belt from the PF Motor Pinion Gear.
    4. Remove the spacer that secures Spur Gear 31.5, and remove Spur Gear 31.5 from 
    the Printer Mechanism.
    Figure 4-140. Removing the PF Drive Belt and Spur Gear 31.5
    After installing the Front Paper Guide, lift the Printer Mechanism 
    to check the following points.
    1. Make sure that the tabs on the Paper Guide Pad are not cut 
    midway.
    2. Make sure that all the tabs are facing down (toward the Waste 
    Ink Pads) without any folds.
    3. Make sure that the tab foldbacks are protruding completely 
    from the Front Paper Guide.
    Figure 4-139. Checking the Front Paper Guide Pad
    
    
    
    
    
    
    
    After replacing the following parts, be sure to apply G-45 grease to the 
    area specified for each part.
    EJ Grounding Spring: See Figure 6-10 on page 166.
    Front Paper Guide and Paper EJ Roller: See Figure 6-11 on 
    page 166.
    
    
    
    
    
    
    
    After replacing or removing the Front Paper Guide and Paper EJ 
    Roller, always make the required adjustments referring to the 
    following.
    “Chapter 5 Adjustment (p.137)”
    Tabs
    Tabs
    PF Drive Belt
    PF Motor Pinion Gear
    11) C.C. M3x4
    (4±0.5 kgf.cm)
    Spur Gear 31.5Spacer 
    						
    							EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Disassembling the Printer Mechanism 123
    Confidential
    5. Remove the PG Grounding Spring from the notch on the Main Frame, and remove 
    the PF Grounding Spring from the groove on the PF Roller Shaft.
    Figure 4-141. Removing the PF Grounding Spring
    6. Make sure that the Left Parallelism Adjust Bushing is not protruding from the 
    notch on the Main Frame. If it is protruding, loosen the C.B.S. (P4) M3 x 8 screw 
    that secures the Left Parallelism Adjust Bushing, and slide it to prevent the Left 
    Parallelism Adjust Bushing from becoming hooked on the notch.
    Figure 4-142. Rotating the Left Parallelism Adjust Bushing7. Remove the guide pin of Left Bushing 8 from the Main Frame using tweezers, and 
    rotate the Bushing upwards to align with the notch on the Main Frame.
    Figure 4-143. Rotating the Left Bushing 8
    8. Remove the E-ring from the PF Roller Shaft with a flathead screwdriver, and slide 
    Left Bushing 8 to the inside of the Printer Mechanism.
    Figure 4-144. Removing the Left Bushing 8
    PF Grounding Spring
    Rear
    NotchPF Roller Shaft
    Groove
    Left Parallelism 
    Adjust Bushing
    Notch
    6) C.B.S. (P4) M3x8
    (5±1 kgf.cm)
    
    When performing the following procedure, take care not to lose the 
    E-ring.
    Left Bushing 8
    Guide pin
    Notch
    E-Ring
    PF Roller Shaft 
    						
    							EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Disassembling the Printer Mechanism 124
    Confidential
    9. Remove the PF Roller Shaft from the Bushings on the Rear Paper Guide and the 
    Center Support, slide the PF Roller Shaft to the left to remove it from Right 
    Bushing 8, and remove the PF Roller Shaft along the notch of the Main Frame.
    Figure 4-146. Removing the PF Roller Shaft
    When performing the following procedure, pay attention to the 
    following points.
    Prevent the coated surface of the PF Roller Shaft from being 
    scratched.
    Do not touch the coated surface of the PF Roller Shaft with 
    bare hands.
    Figure 4-145. Handling the PF Roller Shaft
    Coating Part
    Rear Paper GuideBushings
    Notch
    Center Support
    Right Bushing 8
    
    Be careful not to move Compression Spring 4 and the Leaf Spring 
    on the left side of the PF Roller Shaft to the coated section on the 
    Shaft after removing the PF Roller Shaft.
    Figure 4-147. Handling the PF Roller Shaft
    
    
    
    
    
    
    
    After replacing the PF Roller Shaft, always make the required 
    adjustments referring to the following.
    “Chapter 5 Adjustment (p.137)”
    Compression Spring 4
    Leaf Spring 
    						
    							EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Disassembling the Printer Mechanism 125
    Confidential
    4.4.16  Release Holder Assy1.Remove the APG Assy. (p.89)
    2. Release the PE Sensor connector cable from the five tabs on the Release Holder 
    Assy.
    3. Remove the three C.B.S. M3 x 6 screws that secure the Release Holder Assy.
    4. Remove the three lower tabs of the Release Holder Assy from the Main Frame 
    with a flathead screwdriver, and remove the Release Holder Assy upwards.
    Figure 4-148. Removing the Release Holder Assy
    2) C.B.S. M3x6
    (8±1 kgf.cm)
    1
    2
    3
    PE Sensor connector cable
    Tabs
    Release Holder AssyRear side
    Upper Tabs
    Lower Tabs
    Front side
    Align the three upper tabs on the Release Holder Assy with the 
    positioning holes on the Main Frame. See Figure 4-148.
    Fit the FLAG Release Shaft by the bushings on the Release 
    Holder Assy.
    Figure 4-149. Reinstalling the Release Holder Assy
    Tighten the screws in the order shown in Figure 4-148
    Bushings
    FLAG Release Shaft 
    						
    							EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Disassembling the Printer Mechanism 126
    Confidential
    4.4.17  FLAG Release Assy1.Remove the APG Assy. (p.89).
    2.Remove the Release Holder Assy. (p.125)
    3. Remove the guide pin on the Driven Release Holder from the Main Frame using 
    tweezers, and slide the Driven Release Holder to the left as viewed from the front 
    of the Printer Mechanism. 4. Release the three tabs on the Driven Release Holder from the Main Frame, and 
    remove the FLAG Release Assy.
    Figure 4-151. Removing the FLAG Release Assy
    In the following procedure, Parallel Pin 1.5 may drop off when the 
    Driven Release Holder is slid. Be careful not to lose it.
    Figure 4-150. Parallel Pin 1.5
    Parallel Pin 1.5
    Guide pin Tabs
    Front
    Driven Release Holder
    Rear
    Guide pin
    Tabs
    Tab
    Front
    FLAG Release Assy 
    						
    							EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Disassembling the Printer Mechanism 127
    Confidential
    4.4.18  Upper Paper Guide Assys1.FLAG Release Assy (p.126)
    2.Remove the PE Sensor Holder. (p.135)
    3. Pass a sheet of A3 size paper into the gap between the Upper Paper Guide Assy 
    and the Rear Paper Guide.
    Figure 4-153. Setting the Paper
    Attach the five Perforated Sheets and the LD Cover Sheet to the six 
    locations shown in the figure below to prevent ink from sticking to 
    the LD Rollers.
    Remove the five Paper Guide Torsion Springs from the tabs, 
    insert the notches of the Perforated Sheets into the tabs to 
    attach them to the Main Frame, and then hook the Paper Guide 
    Torsion Springs onto the tabs again.
    Insert the LD Cover Sheet in between the frame so that the tabs 
    on the upper side of the LD Cover Sheet are visible from the 
    notches on the Main Frame, and attach the LD Cover Sheet.
    Figure 4-152. Attaching the Perforated Sheets and the LD Cover 
    Sheet
    LD Cover Sheet
    Perforated Sheets
    Paper Guide Torsion Spring
    Tab
    Tab
    A3-size paper
    Rear Paper Guide 
    						
    							EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Disassembling the Printer Mechanism 128
    Confidential
    4. Remove the six Upper Paper Guide Torsion Springs from the tabs on the Main 
    Frame, and pull out the Upper Paper Guide Torsion Springs from the six Upper 
    Paper Guide Assys.
    Figure 4-154. Removing the Upper Paper Guide Torsion Spring5. Lift the six Upper Paper Guide Assys from the Main Frame to release the shaft 
    referring to Figure 4-155, and remove the Upper Paper Guide Assys to the rear.
    Figure 4-156. Removing the Upper Paper Guide Assy
    Upper Paper Guide 
    Torsion Sprig
    Tab
    Upper Paper Guide Assys
    Tabs
    Make sure that the leading end of the Upper Paper Guide Torsion 
    Spring can be seen through the hole of the Upper Paper Guide Assy.
    Figure 4-155. Reinstalling the Upper Paper Guide Torsion Spring
    
    
    
    
    
    
    
    After replacing the following part, be sure to apply G-26 grease to the 
    specified area. 
    Upper Paper Guide Assy: See Figure 6-9 on page 166.
    Hole
    Upper Paper Guide 
    Torsion Sprig
    Shaft
    Shaft 
    						
    							EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Removing the Motors 129
    Confidential
    4.5  Removing the Motors4.5.1  CR Motor1.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. Disconnect the CR Motor connector cable from the Relay connector.
    Figure 4-157. Removing the CR Motor Connector Cable
    4. Press the Driven Pulley toward the center to loosen the CR Drive Belt, and remove 
    the CR Drive Belt from the CR Motor Pinion Gear.
    Figure 4-158. Removing the CR Motor5. Remove the two C.B.S. M3 x 4 screws that secure the CR Motor, and remove the 
    CR Motor from the Main Frame.
    Figure 4-159. Removing the CR Motor
    CR MotorRelay connector
    CR Motor connector 
    cable
    CR Drive Belt
    Driven Pulley
    CR Motor Pinion Gear
    Make the Lot No. printed surface on the CR Motor face the 
    direction shown in the figure below.
    Figure 4-160. Reinstalling the CR Motor
    Tighten the screws in the order shown in Figure 4-159
    
    
    
    
    
    
    
    After replacing the CR Motor, always make the required adjustments 
    referring to the following.
    “Chapter 5 Adjustment (p.137)”
    2
    1
    10) C.B.S. M3x10
    (4±0.5 kgf.cm)
    Lot No. Printed Surface 
    						
    							EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Removing the Motors 130
    Confidential
    4.5.2  PF Motor1. Remove the Printer Mechanism. (Refer to 4.4.4 Lower Housing / Printer 
    Mechanism (p.96))
    2. Disconnect the PF Motor connector cable from connector CN116 (black) on the 
    Main Board, and remove it from the Clamp on the Main Frame.
    3. Remove the two C.C. M3 x 4 screws that secure the PF Motor.
    4. Remove the PF Drive Belt from the PF Motor Pinion Gear, and remove the PF 
    Motor from the Printer Mechanism.
    Figure 4-161. Removing the PF Motor
    1
    2
    PF Motor connector cable
    Clamp
    PF Drive Belt
    CN116
    PF Motor
    Pinion Gear
    11) C.C. M3x4
    (4±0.5 kgf.cm)
    
    
    
    
    
    
    
    Make the slit on the PF Motor face the direction shown in the 
    figure below.
    Figure 4-162. Reinstalling the PF Motor
    Tighten the screws in the order shown in Figure 4-161
    
    
    
    
    
    
    
    After replacing or removing the PF Motor, always make the required 
    adjustments referring to the following.
    “Chapter 5 Adjustment (p.137)”
    Slit 
    						
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