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Ricoh SR400 User Manual

A379
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FINISHER
(Machine Code:A379)

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  • Page 1 FINISHER (Machine Code:A379)

  • Page 2: Overall Machine Information

    23 April 1993 OVERALL MACHINE INFORMATION 1. OVERALL MACHINE INFORMATION 1.1 SPECIFICATIONS Paper Size: Maximum: 11" x 17"/A3 Minimum: " x 8 "/A5 sideways Paper Weight: Standard copying/Stack mode 14 ~ 42 lb/52 ~ 157 g/m Staple mode 17 ~ 20 lb/64 ~ 80 g/m Paper Capacity: 1,500 sheets: "...
  • Page 3 OVERALL MACHINE INFORMATION 23 April 1993 Stapling Position: (1 staple) (2 staples) a = 0.24" ± 0.12" (6 ± 3 mm) a = 0.24" ± 0.12" (6 ± 3 mm) a = 0.24" ± 0.12" (6 ± 3 mm) b = 5.20" ± 0.12" (13.2 ± 3 mm) b = 0.24"...

  • Page 4: Mechanical Component Layout

    23 April 1993 OVERALL MACHINE INFORMATION 1.2 MECHANICAL COMPONENT LAYOUT 1. Stack Height Sensor Feeler 8. Alignment Brush Roller 2. Shift Tray 9. Lower Transport Rollers 3. Shift Tray Positioning Roller 10. Entrance Rollers 4. Jogger Unit 11. Junction Gate 5.

  • Page 5: Electrical Component Description

    OVERALL MACHINE INFORMATION 23 April 1993 1.3 ELECTRICAL COMPONENT DESCRIPTION Refer to the electrical component layout on the reverse side of the Point to Point (water proof paper) index numbers. Index Symbol Name Function Motors Transport Drive Drives transport rollers. Shift Tray Lift Moves the shift tray up or down.
  • Page 6 23 April 1993 OVERALL MACHINE INFORMATION Index Symbol Name Function Shift Tray Half-Turn Detects shift tray side-to-side position. Stapler Unit HP Detects the stapler unit home position. Staple End Detects staples in the cartridge Switches Front Door Safety Cuts dc power when the front (Switch) door is opened.
  • Page 7 OVERALL MACHINE INFORMATION 23 April 1993 1.4 DRIVE LAYOUT 1. Exit Drive Motor 9. Shift Cam 2. Upper Transport Drive Belt 10. Exit Roller 3. Shift Tray Lift Motor 11. Stack Feed-out Motor 4. Transport Drive Motor 12. Jogger Motor 5.

  • Page 8: Basic Operation

    23 April 1993 OVERALL MACHINE INFORMATION 1.5 BASIC OPERATION After the copy is completed, the paper is directed to the finisher. If the sort/stack mode is selected, the junction gate [A] directs the paper upwards to transport it to the shift tray [B]. In these modes, the shift tray is shifted from side to side to stagger and separate sets of copies.
  • Page 9 SECTIONAL DESCRIPTIONS 23 April 1993 2. SECTIONAL DESCRIPTIONS 2.1 PAPER DELIVERY SWITCHING Depending on the selected finishing mode, the copies are directed up or down by the junction gate [A], is controlled by a solenoid. (1) When the exit sensor of the copier is activated while in staple mode, the solenoid [B] is energized.

  • Page 10: Shift Tray Up/Down Mechanism

    23 April 1993 SECTIONAL DESCRIPTIONS 2.2 SHIFT TRAY UP/DOWN MECHANISM The vertical position of the shift tray [A] is controlled by the shift tray lift motor (dc motor) [B] through gears and timing belts [C]. When the main switch is turned on, the tray position is initialized to the upper position.
  • Page 11 SECTIONAL DESCRIPTIONS 23 April 1993 2.3 SHIFT TRAY SIDE-TO-SIDE SHIFT MECHANISM In the sort/stack mode, the shift tray [A] moves from side to side to stagger and separate sets of copies. The horizontal position of the shift tray is controlled by the shift motor (dc motor) [B] and the shift cam (helical cam) [C].
  • Page 12 23 April 1993 SECTIONAL DESCRIPTIONS 2.4 STAPLE UNIT PAPER POSITIONING In the staple mode, copies are vertically and horizontally aligned in the jogger unit before being stapled. For horizontal paper alignment, the jogger motor [A] moves both the front and the rear jogger fences [B] to align the copies.
  • Page 13 SECTIONAL DESCRIPTIONS 23 April 1993 2.5 JOGGER MOVEMENT 7 mm 2 mm When the Start key is pressed, the copier sends the paper size information to the finisher. In accordance with that data, the jogger motor (stepper motor) starts rotating to position the front and rear jogger fences [A] 7 mm away from the selected paper’s edges.
  • Page 14 23 April 1993 SECTIONAL DESCRIPTIONS 2.6 STAPLER The staple hammer [A] is driven by the staple motor [B] via gears [C], two eccentric cams [D], and two links [E]. When the aligned copies are brought to the staple position by the positioning roller, alignment brush roller, and jogger fences, the stapler motor starts rotating.
  • Page 15 SECTIONAL DESCRIPTIONS 23 April 1993 2.7 STAPLER UNIT SIDE-TO-SIDE MOVEMENT Customers can select one of the following three different staple modes: Staple 1: Top left Staple 2: Bottom left Staple 3: Top/Bottom left The stapler drive motor [A] (stepper motor) moves the stapler unit [B] from side to side.
  • Page 16 23 April 1993 SECTIONAL DESCRIPTIONS 2.8 FEED-OUT TO SHIFT TRAY After being stapled, the stack feed-out motor [A] starts rotating. The pawl [B] on the lift belt [C] transports the set of stapled copies up, and feeds it to the shift tray.

  • Page 17: Installation

    INSTALLATION 23 April 1993 3. INSTALLATION 3.1 ACCESSORY CHECK Check the accessories in the box according to the following list. Description Q’ty 1. Installation Procedure............. 1 2. Front Connecting Bracket............1 3. Rear Connecting Bracket ............1 4. Staple Cartridge..............1 5.

  • Page 18: Installation Procedure

    23 April 1993 INSTALLATION 3.2 INSTALLATION PROCEDURE CAUTION: Unplug the copier power cord before starting the following procedure. 1. Remove the strips of tape [A] and the cushion [B]. 2. Open the front door and remove the strips of tape [C] and cushions [D]. 3.
  • Page 19 INSTALLATION 23 April 1993 [D] [E] 6. Remove five plastic caps [A] on the copier’s left cover. 7. Install the front connecting bracket [B] (2 screws– M4 x 12) and the rear connecting bracket [C] (2 screws– M4 x 12) on the copier. 8.
  • Page 20 23 April 1993 INSTALLATION 9. Secure the protective earth wire [A]* (1 screw with spring washer) and the wire [B] (1 screw with spring washer). *NOTE: For all models other than those intended for North America, the green wire is meant to be used as a functional earth and should be connected as shown.
  • Page 21 INSTALLATION 23 April 1993 15. Install the shift tray [A] with 4 screws – M4 x 8 (remove tape [B]). 16. Adjust the height of the copier by using the leveling foot [C] so that the difference in level between the copier [D] and the finisher will be 30 ±...
  • Page 22 23 April 1993 INSTALLATION 17. Remove the green plastic clip [A] from the staple cartridge, and install the cartridge in the stapler. NOTE: When installing the staple cartridge, make sure that all the staple sheets [B] are in the initial position. 18.

  • Page 23: Service Tables

    SERVICE TABLES 23 April 1993 4. SERVICE TABLES 4.1 TEST POINT TABLE (Main Board) Number Function 4.2 FUSE TABLE Number Rated Current Location Fuse 1 Main PCB 4.3 LED TABLE LED No. ON Status LED1 Motor speed is too high.* LED3 Motor speed is too low.* *NOTE: While each motor is adjusted, if the motor speed is normal, LED...
  • Page 24 23 April 1993 SERVICE TABLES 4.4.3 Free Run Test Mode Without Paper DIP SW101 DIP SW102 Function Shift Tray Mode Staple mode - (1) Staple mode - (2) Staple mode - (3) Free run test mode starts when SW101 on the main board is pressed, and stop when the push SW102 is pressed.
  • Page 25 SERVICE TABLES 23 April 1993 4.4.5 Shift Tray Rise Mode DIP101 DIP102 0: OFF 1: ON In this mode, the shift tray moves to its uppermost position if the copy paper stacked on the tray is removed while staple mode copying. When the stapling copy mode is used with the shift tray rise mode, the shift tray moves up and down slightly for each stapled copy set delivered to the tray.

  • Page 26: Replacements And Adjustments

    23 April 1993 REPLACEMENTS AND ADJUSTMENTS 5. REPLACEMENTS AND ADJUSTMENTS 5.1 EXTERIOR REMOVAL 1. Remove the left upper cover [A] (2 screws). 2. Remove the upper cover [B] (3 screws). 3. Remove the upper door bracket [C] (1 screw) and remove the front door [D].

  • Page 27: Alignment Brush Roller Replacement

    REPLACEMENTS AND ADJUSTMENTS 23 April 1993 5.2 ALIGNMENT BRUSH ROLLER REPLACEMENT 1. Remove the rear cover. 2. Remove the main board [A] (15 connectors, 1 optics cable). 3. Remove the tension bracket [B] (1 screw and 1 spring). 4. Remove the E-rings [C], slide out the pulleys [D], and remove 2 E-rings [E] , then remove 2 bushings [F].

  • Page 28: Sensor Replacement

    23 April 1993 REPLACEMENTS AND ADJUSTMENTS 5.3 SENSOR REPLACEMENT Stack Height Sensors 1. Remove the upper cover. 2. Remove the stack height sensor actuator [A] (1 screw). 3. Remove the bracket [B] (1 screw, 2 connectors). 4. Replace stack height sensor 1 [C] and stack height sensor 2 [D]. NOTE: When reinstalling the bracket [B], align the edge of the bracket with the stay [E].
  • Page 29 REPLACEMENTS AND ADJUSTMENTS 23 April 1993 5.4 POSITING ROLLER REPLACEMENT 1. Open the front door and slide out the jogger unit. 2. Remove the positioning roller [A] (1 clip).

  • Page 30: Belt Tension Adjustment

    23 April 1993 REPLACEMENTS AND ADJUSTMENTS 5.5 BELT TENSION ADJUSTMENT 1. Remove the rear cover and adjust the belt [A] tension with tightener [a]. [A, B] Remove the left upper cover, the upper cover, the front door, and the front shift cover and the front supporting cover (2 screws).
  • Page 31 REPLACEMENTS AND ADJUSTMENTS 23 April 1993 150 ± 40 g 3. Open the front door and slide out the jogger unit. Adjust the belt [D] tension with tightener [d]. Standard: 8 mm deflection at 150 ± 40 g pressure.

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