Epson 4880 C Service Manual
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EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 321 The Pump Unit must be reassembled properly. An incorrect assembly may cause malfunction of the printer and lower the print quality due to poor pumping. „Align the five ribs and front side dowel of the Pump Unit with the six frame positioning holes. „Slip the Pump Unit frame under the Guide, Waste Ink. „The sheet should be on the rear side of the printer frame. Pump Unit Frame Position Sheet Position Be sure to refer to Chapter 5 “Adjustment” (p.366) and perform specified adjustments after replacing the Box Assy., Flushing and the Pump Unit.
EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 3224.2.8.7 Guide, Waste Ink1. Remove Pump Unit. (Refer to 4.2.8.6 Box Assy., Flushing / Pump Unit (p316).) 2. Remove the Guide, Waste Ink by following the steps below. 2-1. Push up the Guide, Waste Ink from the printer bottom surface to free the dowel from the frame. 2-2. Release the two tabs by pulling toward the rear of printer and then remove the Guide, Waste Ink. Figure 4-162. Guide, Waste Ink Removal Dowel Tabs Step 2-1 Step 2-2 Guide, Waste Ink Rearward Forward
EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 3234.2.8.8 Pump Phase Sensor1. Remove Pump Unit. (Refer to 4.2.8.6 Box Assy., Flushing / Pump Unit (p316).) 2. Remove the two screws securing the Pump Cover. (Refer to Figure 4-163.) „C.B.P. 3x8: 2 pcs. 3. Remove the Pump Cover in the direction of the arrows. (Refer to Figure 4-164.) Figure 4-163. Screws Securing the Pump Cover Figure 4-164. Pump Cover Removal Pump Cover C.B.P. 3x8 1 2
EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 324 4. Peel off acetate tape. 5. Release tabs securing Pump Phase Sensor and then remove Pump Phase Sensor. Figure 4-165. Pump Phase Sensor Removal The Shield Plate inside the Pump Cover may come off when removing the Pump Cover. If it comes off, install it as shown in the illustration below. Shield Plate Tab Tabs Acetate Tape Pump Phase Sensor
EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 3254.2.8.9 Holder, FFC1. Move the Carriadge Unit depending on which Holder, FFC is removed with reference to both Figure 4-166 and the table below. 2. Pinch the upper and lower end of the two Harness, Heads and the Harness, Head, Intermit with your fingers to make their central parts bowed, and release them from the upper and lower tabs of the Holder, FFC. Figure 4-166. Holder, FFC Figure 4-167. Holder, FFC Removal Holder, FFC to be removed Carriage Unit position A ~ B Home position C ~ E Left end To prevent the Harness, Heads and Harness, Head, Intermit from being bent, bow the Harness, Heads and Harness, Head, Intermit little by little. E D C B A Tabs Holder, FFC
EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 326 3. Release the top and bottom tabs of the Holder, FFC, and open the Holder, FFC. Figure 4-168. Holder, FFC Tabs Release4. Release the top tab of the Holder, FFC from the Guide Plate, Tube, and remove the Holder, FFC backward. Figure 4-169. Holder, FFC Removal 2 1
EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 327 Check the followings after installing the Holder, FFC. „Each part should be properly installed in its prescribed space of the Holder, FFC. „Move the Carriage Unit with hand to make sure that the Harness, Head does not come off. „Move the Holder, FFC; B from side to side to make sure it moves smoothly. A reinstallation is needed if the Harness, Head moves together with the Holder, FFC. Harness, Head (x2) Harness, Head, Intermit Tube, Supply, Ink Sheet, SUS Guide Plate, Tube Sheet, Tube Y M C MK K (PK or MK) LC LM LLK
EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 3284.2.8.10 Holder, FFC; B1. Move the Carriadge Unit depending on which Holder, FFC; B is removed with reference to both Figure 4-170 and the table below. 2. Pinch the upper and lower end of the two Harness, Heads and the Harness, Head, Intermit with your fingers to make their central parts bowed, and release them from the upper and lower tabs of the Holder, FFC; B. Figure 4-170. Holder, FFC; B Figure 4-171. Holder, FFC; B Removal Holder, FFC; B to be removed Carriage Unit position A ~ B Home position C ~ E Left end Bend the Harness, Heads and Harness, Head, Intermit slowly and carefully so as not to fold them down. E D C B A Tabs Holder, FFC; B
EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 329 3. Release the top tab of the Holder, FFC; B to open the Holder, FFC; B. Figure 4-172. Holder, FFC; B Tab Release4. Release the top tab of the Holder, FFC; B from the Guide Plate, Tube, and remove the Holder, FFC; B backward. Figure 4-173. Holder, FFC; B Removal 2 1
EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 330 Check the followings after installing the Holder, FFC; B. „Each part should be properly installed in its prescribed space of the Holder, FFC; B. „Move the Carriage Unit with hand to make sure that the Harness, Head does not come off. „Move the Holder, FFC; B from side to side to make sure it moves smoothly. A reinstallation is needed if the Harness, Head moves together with the Holder, FFC; B. Harness, Head (x2) Harness, Head, Intermit Tube, Supply, Ink Sheet, SUS Guide Plate, Tube Sheet, Tube Y M C MK K (PK or MK) LC LM LLK