Epson 4000 Service Manual - Page 327

EPSON Stylus Pro 4000 Revision B 4.2.8.12 Tube, Supply, Ink (Y/M/C/MK) on the Left Side of the Main Unit C A U T IO N When performing the following work, remove ink out of ink path before removing the "Tube, Supply, Ink". Refer to Chapter 5 "Adjustment" (p.354) to know how to remove ink. Some amount of ink remains inside the "Tube, Supply, Ink" even after the ink removal. Prepare pieces of cloth in advance and put a sheet of paper on the work area in case the ink spatters inside and around the printer. In addition to this, keep the removed "Tube, Supply, Ink" with its head coverd with a plastic bag during the work. 1. Remove the "I/H Left Unit", and remove the "Cover, Holder, IC, Left" on the backside of the "I/H Left Unit". (Refer to "4.2.8.4 I/H Left Unit / I/H Lever Sensor (Left)" (p289).) 2. Loosen the "Coupling Screw, M7" that is on the side of the"Tube, Supply, Ink" to remove the "Tube, Supply, Ink". (Refer to Figure 4-180.) 3. Remove the "O-ring, coupling M7" and the "Coupling Screw, M7" from the "Tube, Supply, Ink". (Refer to Figure 4-180.) „ The "O-ring, Coupling M7" should be attatched 2mm away from the end point of the "Tube, Supply, Ink". Approximately 2mm „ To prevent ink leakage and damage on the Coupling screw, be sure to tighten the "Coupling Screw, M7" with the prescribed torque and the tool specified below. • Tool: Torque Wrench 1.25/1.75 (1277142) • Tightning torque: 1.25 ( ± 0.25) kgf •cm 4. Release the "Tube, Supply, Ink" from both the tabs and tube holder sections of the "I/H Left Unit". (Refer to Figure 4-181.) Coupling Screws, M7 Tube Holder Sections O-ring, Coupling M7 Figure 4-180. Coupling Screw, M7 Removal Tabs Figure 4-181. "Tube, Supply, Ink" Release Disassembly & Assembly Disassembly Procedures 327