User manual KONICA MINOLTA DF-322 DF316/DF322 SERVICE MANUAL

[. . . ] · Mixing of original sizes possible. 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. [. . . ] Unit Explanation. Original exit roller Conveyance roller [4] Z fold original copy mode In the Z fold original copy mode, the length of the original is determined by the ON interval of the original registration PS/1 (PS304). 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G 5V SIG S. G 24V 24V A A B B 24V 24V A A B B 24V DRIVE 24V 24V 5V SIG S. G 24V DRIVE M 302 SD301 MS301 PS303 24V2 P. GND 5V2 S. GND SD302 DCPS 24V DRIVE SD303 DF_M1_CLK DF_M1_F/R DF_M1_EN DF_M1_M1 DF_M1_M2 DF_M1_I1 DF_M1_I2 DF_M1_RETURN DF_M2_CLK DF_M2_F/R DF_M2_EN DF_M2_M1 DF_M2_M2 DF_M2_I1 DF_M2_I2 DF_M2_MOI DF_M2_RETURN PS303_SIG PS304_SIG PS305_SIG DF_SD1_CONT DF_SD2_CONT DF_SD3_CONT DF_M_RESET 3. 3V S. 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When disassembling and reassembling the machine, follow the precautions given below. Be sure the power cord has been unplugged from the wall outlet. The disassembled parts must be reassembled following the disassembly procedure in reverse unless otherwise specified. Care should be taken not to lose small parts. Care should also be taken not to install small parts in wrong places. Do not operate he machine before installing all the disassembled parts completely. Removal of some screws is prohibited in this section. 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). [. . . ] Caution2: Install the D-cut shaft of the original feed roller unit while inserting it in the receiver side. Caution3: Make sure that the spring is hooked in correct position during installation. 3-5 3 DIS. /ASSEMBLY DF-316/DF-322 [2] Cleaning the Cleaning Pad Caution: Make sure power cord of the main unit has been unplugged from the wall outlet. Procedure (1) Open the Jam access cover. (2) Remove one screw to detach the cleaning pad. [. . . ]