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