User manual KONICA MINOLTA LT-401 LT401/LT411 SERVICE MANUAL

[. . . ] SERVICE MANUAL MODELS LT-401/411 Large Capacity Tray Units (With Parts Catalogs) SEPTEMBER 2000 CSM - LT401/411 Blank page. LT-401/LT-411 SERVICE MANUAL SEPTEMBER 2000 IMPORTANT NOTICE Because of the possible hazards to an inexperienced person servicing this equipment, as well as the risk of damage to the equipment, Konica Business Technologies strongly recommends that all servicing be performed by Konica-trained service technicians only. Changes may have been made to this equipment to improve its performance after this service manual was printed. Accordingly, Konica Business Technologies, Inc. , makes no representations or warranties, either expressed or implied, that the information contained in this service manual is complete or accurate. It is understood that the user of this manual must assume all risks or personal injury and/or damage to the equipment while servicing the equipment for which this service manual is intended. Corporate Publications Department © 2000, KONICA BUSINESS TECHNOLOGIES, INC. [. . . ] Procedure Caution: With the power held on, press the SW100 (LT tray down switch) to move the up/down plate down to the bottom in advance. Remove the clutch replacement cover, side cover (right), front cover, and rear cover following the steps (1) to (5) in [7] Replacing the LT-401 Up/ Down Wires. Remove the five screws to detach the gear cover. Remove the two bearings. Screw (1) (2) (3) (4) Remaining paper detection gear Screw Gear cover E-ring Bearing Screws Bearing Idle gear E-ring Oblong hole Round hole (5) Remove the gear A. (7) Remove the detent pin for gear B from the up/ down pulley shaft. (8) Remove the E-ring and bearing to remove gear C. Bearing Gear C (16) Install the idle gear. (17) Attach the covers following the removal steps in reverse. Caution: After replacing the up/down wires, correct horizontal and centering of the up/down plate. (Refer to "ADJUSTMENT SECTION. ") Gear A Pin Gear B E-ring E-ring Up/down pulley shaft 20 LT-401/LT-411 (9) Remove the bearing behind gear C. (10) Remove the E-ring to remove the up/down gear. (11) Remove the detent pin for up/down gear from the up/down pulley shaft. (12) Remove the E-ring to remove gear D. (13) Remove the E-ring to remove the remaining paper detection gear. (14) Remove the four relay connectors (CN780, CN781, CN782, and CN783) to disconnect the wiring harness from the up/down motor mounting plate. Relay connector (CN780) Remaining paper detection gear Gear D Relay connector Relay connector (CN782) (CN781) Up/down motor mounting plate Wire B 1321. 7mm Wire C 1303. 1mm Wire D (17) Replace the up/down wire following the instructions in "Removing the Up/Down Wires" and "Installing Up/Down Wires. " Caution: Four up/down wires with different length, two at the front and two at the back, are used. Wires with the same length can be used either at the front or back if they are used in the same location. 1057. 3mm Wire A 692. 1mm E-ring Pin Up/down gear E-ring Up/down pulley shaft Relay connector (CN783) Bearing E-ring (15) Remove the E-ring to remove the bearing. (16) Remove the six screws to remove the up/down motor mounting plate. Up/down motor mounting plate Screws Bearing Screws E-ring 21 LT-401/LT-411 <Removing the Up/Down Wires> Up/down plate 2. Release the metal ball to remove wire A. Wire C Wire D Wire C Wire D 14. Release the metal ball to remove wire D. Release the metal ball to remove wire A. Release the metal ball to remove wire B. Release the metal ball to remove wire C. Remove the E-ring, then remove the pulley to release wire C. [. . . ] 7 11 9 7 9 23 18 12 21 6 M Magnet catch . Main body fixing plate /1 Main positioning plate . 5 3 3 3 17 5 5 5 16 23 3 13 15 16 F Fanning drive shaft . Feeding roller assembly/A Feeding roller assembly/B Feeding roller assembly/B Feeding shaft . [. . . ]