User manual KONICA MINOLTA DF-316 DF316/DF322 SERVICE MANUAL

[. . . ] Original type: Plain original DF-316 14 lb to 35 lb high quality paper DF-322 14 lb to 54 lb high quality paper Special original Original feed and conveyance ability may be inferior to the above high quality papers. The following types of original cannot be used · Fine quality paper less than 10 lbs · Fine quality paper more than 54 · OHP film · Blueprint masters · Label original · Offset masters · Bonded originals Original curling: 10 mm maximum Original [3] Machine Data Power source: DC24V / 5V (supplied from the main body) Max. power consumption: Less than 120VA Weight: Approximately 25 lb Machine dimensions: Unit: mm 570 600 [4] Maintenance Amount of curl Maintenance: Same as the main body [5] Operating Environment Maximum number of stacked originals: 100 sheets maximum (22 lbs) Temperature: 50°F to 86°F Humidity: 10% to 80% RH Note: The information herein may be subject to change for improvement without notice. 1-1 150 1 OUTLINE DF-316/DF-322 1 OUTLINE CENTER CROSS-SECTIONAL DRAWING Double feed prevention roller Registration roller Original feed roller Pickup roller Original pressing board Original exit reversal roller Reversal roller Reverse gate Original feed tray Original exit tray Original conveyance roller 1 Original conveyance roller 2 Original exit roller Original exit gate 1-2 DF-316/DF-322 DRIVE SYSTEM DIAGRAM Original feed motor (M301) Original feed roller Original feed MC (MC301) Pickup roller Double feed prevention roller Original exit reversal roller Registration roller Reversal roller Original pressing board Original exit gate Pressure roller release SD (SD303) Original stopper actuator (7255/7272) Reverse gate Original conveyance motor (M302) (7255/7272) Exit gate drive SD (SD302) Reverse gate drive SD (SD301) Conveyance roller2 Original exit roller (7255/7272) Conveyance roller1 FRONT df3221001 1-3 1 OUTLINE DF-316/DF-322 1 OUTLINE ORIGINAL CONVEYANCE PROCESS The DF-316/DF-322 consists of an original feed section, conveyance section, reversal section, and original exit section. Original feed section Conveyance section Reversal section Original exit section Slit glass (Read section) The original faced up on the original feed tray is fed from the topmost original. Instead, it is read when it passes the slit glass placed in the conveyance path. [. . . ] The 1-5 1 OUTLINE DF-316/DF-322 1 OUTLINE next original is conveyed to the reversal section if there is one. Reversal roller Registration roller Next original Reverse gate Original exit reversal roller [3] Mixed original copy mode The mixed original copy mode supports both the same series original and different series originals, and the size of the original is determined by the ON interval of the original registration PS/1 (PS304). In single side original copy mode (with out AMS) and double side original copy mode, the conveyance path of original is same as normal conveyance path. In single side original copy mode (with AMS), the conveyance path of original is same as that in double side original copy mode. For details on size detection, refer to section [5] Original Size Detection Control in Section 2. Unit Explanation. 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When disassembling and reassembling the machine, follow the precautions given below. The disassembled parts must be reassembled following the disassembly procedure in reverse unless otherwise specified. Do not operate he machine before installing all the disassembled parts completely. Never loosen them. DF-316/DF-322 EXTERNAL SECTION [1] Removing the RADF Caution: Make sure power cord of the main unit has been unplugged from the wall outlet. (See the external section of the main body. ) (2) Remove two screws to detach the two stoppers. (4) Remove four connectors (CN612 to CN615) from the scanner drive board (SCDB) on the main body. Connector (CN614) (5) Remove four screws to detach the cable conduit. Screws Screws Stopper1 Stopper2 (3) Open the RADF to the upright position. Cable conduit Screws(4) RADF (6) Draw the cable to the top of the main body. 3-1 3 DIS. /ASSEMBLY Scanner drive board (SCDB) Connector Connector (CN615) Connector (CN612) (CN613) DF-316/DF-322 (7) Close the RADF. Remove three screws to detach each of two fixing plates. [2] Reinstalling the RADF Caution: Make sure power cord of the main unit has been unplugged from the wall outlet. Procedure (1) Place the RADF on the top of the main unit and loosely secure each of the two fixing plates with two screws. (2) Secure the attachment and spacer to the left fixing plate, and loosely secure it with two screws. (3) Remove two screws to detach the original stopper plate (left). 2 2 Fixing plate Fixing plate 3 DIS. /ASSEMBLY Fixing plate Screw Screws(2) Screw (tighten temporarily) 2 (8) Open the RADF to the upright position. (9) Remove two screws to detach the spacer and attachment from the left fixing plate. (10) Holding the RADF, remove two screws to detach two fixing plates and remove the RADF from the main body. Caution: When fixing plates are removed, the RADF may fall down to the rear side. Be sure to hold the RADF. 2 Original stopper plate (left) Screw Screw Fixing plate Attachment Spacer Screw (tighten temporarily) Screws (tighten temporarily) Fixing plate Screw (4) Follow the removal procedure in reverse, install the cable conduit and four relay connectors (CN612 to CN615). Screws(2) Spacer Screw Attachment Fixing plate 3-2 DF-316/DF-322 2 (5) Install two RADF positioning jigs in the mounting holes of the original stopper plates (left). (6) Close the RADF to mate the reference holes and RADF positioning jigs. [. . . ] (6) Remove a stop ring, two bearings and a spring to detach the pickup roller. (7) Remove the pickup roller rubber from the pickup roller. Arrow Pickup roller Stop ring Bearing Stop rings Stop rings Bearings Spring df3223001 Bearings Original feed roller Bearing D-cut shaft Paint mark df3223002 (8) Reinstall the above parts following the removal steps in reverse. Caution1: Make sure that the original feed roller and the pickup roller are installed in the correct direction. Caution2: Install the D-cut shaft of the original feed roller unit while inserting it in the receiver side. [. . . ]