User manual KONICA MINOLTA DF-313 DF313/DF317 SERVICE MANUAL

[. . . ] SERVICE MANUAL MODELS DF-313/317 Document Feeder Units (With Parts Catalogs) JANUARY 2002 CSM - DF313/317 CONTENTS CONTENTS SAFETY AND IMPORTANT WARNING ITEM Refer to the 7075/7085 service handbook on page . . . . . . vii 1. OUTLINE DF-313/DF-317 PRODUCT SPECIFICATIONS . . . . . . 1-1 CENTER CROSS-SECTIONAL DRAWING . . . . . . . . . . . . 1-2 DRIVE SYSTEM DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Caution: The necked hole in the fixing plate (F) must fit over the guide screw. (2) Remove the two screws to detach the original stopper plate (left). Screws 3 DIS. /ASSEMBLY Fixing plate (R) (10) Open the RADF up to the upright position. (11) Holding the RADF, remove one screw to detach each of two fixing plates. (12) Holding the RADF, remove it from the main unit. Caution: When the fixing plates (F) are removed, the RADF may fall down to the rear side. Be sure to hold the RADF while performing steps 11 and 12. Screws Original stopper plate (left) Necked hole Guide screw Fixing plate (F) Screw (Tighten temporarily) Fixing plate (F) (3) Following the removal procedure in reverse, install the cable conduit, two relay connectors (CN31, CN32), ground cable, and top cover (rear) of the main unit. (4) Install two RADF positioning jigs in the mounting holes of the original stopper plate (left). Screw 3-2 DF-313/DF-317 (5) Close the RADF to mate the reference holes and RADF positioning jigs. Reference hole (round hole) (9) Close the RADF and check whether both stopper pieces on the RADF-side touch the slit glass. Caution: The state of contact between the stopper pieces and the silt glass can be checked by looking into the slits in the top cover of the main unit. Stopper piece Stopper piece Reference hole (oblong hole) Slit glass (6) Install two screws to secure each of the two fixing plates (R) following the removal procedure in reverse. (7) Open the RADF, install the other screw for each of the two fixing plates (F), and finaly tighten all the four screws to secure the two fixing plates (F). (8) Remove the RADF positioning jigs and install the original stopper plate (left) with two screws. Top cover (middle) Slit Slit 3-3 3 DIS. /ASSEMBLY RADF positioning jigs DF-313/DF-317 (10) If both stopper pieces do not touch the slit glass at the same time, make adjustments using adjusting screws A and B alternately. Adjusting screw B Adjusting screw A 3 DIS. /ASSEMBLY (11) Perform steps (9) and (10) repeatedly until the two stopper pieces touch the slit glass at the same time. (12) Install the rear cover of the main unit. 3-4 DF-313/DF-317 ORIGINAL FEED/CONVEYANCE/EXIT SECTION [1] Removing/Cleaning/Reinstalling the Original Feed Roller Unit Caution: Make sure the power cord of the main unit has been unplugged from the wall outlet. Procedure (1) Open the Jam access cover. (2) Remove the screw to detach the sensor cover. Screw (6) Clean rollers using a blower brush or the like. (7) Reinstall the original feed roller unit in the reverse order of the removal procedure. Caution: Make sure the angled portion of the original feed roller unit is positioned above the angled portion of the stay. If the angled portion of the original feed roller unit is positioned below the angled portion of the stay, originals are not fed properly. [2] Cleaning the Cleaning Pad Caution: Make sure the power cord of the main unit has been unplugged from the wall outlet. (2) Remove one screw to detach the cleaning pad. (3) Using a blower brush, clean the cleaning pad. Jam access cover Sensor cover Screw Cleaning pad (3) Remove the spring. (4) Remove the two stop rings to slide the bearing and one-way clutch outward. (5) Slide the original feed roller unit to the front to release it from the coupling, then remove it upward. Original feed roller unit Bearing Movable cover Stop ring Coupling Angled portion of original feed roller unit Stay Resistration roller (4) Reinstall the above parts following the removal steps in reverse. Spring Original feed tray Stop ring Angled portion Angled One-way clutch portion of stay 3-5 3 DIS. /ASSEMBLY DF-313/DF-317 [3] Replacing the Original Feed Roller/ Separation Roller/Auxiliary Separation Roller Caution: Make sure the power cord of the main unit has been unplugged from the wall outlet. Procedure Remove the original feed roller unit. Remove stop ring (1) to detach gear (1) and belt. [. . . ] Open-close fulcrum assembly Open-close guide . 17 17 21 21 21 21 21 17 21 21 21 26 27 1 2 5 6 18 7 25 26 7 P Pad . Paper exit ground leaf spring Paper exit motor bracket . Paper exit neutralizing brush Paper exit roller . [. . . ]