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2. SECTIONAL DESCRIPTION

2.1 PAPER DELIVERY SWITCHING

Depending on the by-pass tray gate [A] position, paper fed from the copier
enters either the sorter or the by-pass tray [B].

The by-pass tray gate is driven by the by-pass tray gate motor [C]. Under
normal operating conditions, the by-pass tray gate is in the home position
(H.P. sensor [D] is actuated) to deliver copies to the sorter. If a sorter paper
jam occurs, the gate rotates on its shaft [E] until the upper tray gate position
sensor [F] is actuated and stops.

[A]

[D]

[F]

[C]

[E]

[B]

[F]

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SECTIONAL DESCRIPTION

6 March 1992

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Содержание ST23

Страница 1: ...RICOH ST23 SERVICE MANUAL ...

Страница 2: ...um A4 81 2 x 11 Weight 64 g m2 80 g m2 17 lb 21 lb Stapler Capacity From 2 to 50 sheets 80 g m2 20 lb Bin Capacity 1 sided copies 2 sided copies Sort mode 70 sheets 50 sheets Stack mode 50 sheets 35 sheets 80 g m2 20 lb Proof Tray Capacity 250 sheets 80 g m2 20 lb 20 sheets translucent paper Staple Position a b 5 2 mm Staple Time Within 1 5 seconds staple Staple Replenishment Cartridge exchange 5 ...

Страница 3: ... 2 kW Dimensions 1st sorter only 580 x 828 x 1063 mm 22 8 x 32 6 x 41 8 1st and 2nd sorter 1120 x 828 x 1063 mm 44 1 x 32 6 x 41 8 Weight 1st sorter 98 kg 216 lb 2nd sorter 90 kg 198 lb 6 March 1992 OVERALL MACHINE INFORMATION 2 ...

Страница 4: ...6 5 4 3 2 1 Staple Unit 2 Proof Tray 3 Bins 4 Jogger 5 Bin Solenoids 6 Side Bar 7 Relay Gate 8 Diagonal Transport Rollers 9 Distribution Rollers 10 By pass Tray Gate 11 By pass Tray 12 Bin Gate Sorter Stapler OVERALL MACHINE INFORMATION 6 March 1992 3 ...

Страница 5: ... Drive Belt 2 Bin Drive Belt 1st to 10th 3 Main Motor 4 Jogger Unit Drive Belt 5 Staple Unit 6 Side Bar Drive Belt 7 Proof Tray Exit Roller Drive Belt 8 Bin Drive Belt 11th to 20th 1 6 5 4 7 8 2 3 6 March 1992 OVERALL MACHINE INFORMATION 4 ...

Страница 6: ...per delivery tray 36 Switches SW1 Front Door De energize the main motor and cuts 24 V line when the front door is open 8 SW2 Vertical Transport Door De energize the main motor when the vertical transport door is open 6 SW3 Horizontal Transport Door Informs the main board if the cover is open 20 Circuit Boards PCB1 Main Controls overall sorter stapler functions 31 PCB2 DC Power Supply Convert ac vo...

Страница 7: ...e position 13 S10 Jogger H P Detects if the jogger arm is in the home position 17 S11 Side Bar H P Detects if the side bar is in the home position 33 S12 Tray Gate H P Detects if the by pass tray gate is in the home position 34 S13 Tray Gate Upper Position Detects if the by pass tray gate is in the upper position 35 S14 Staple Unit Position Detects the position of the staple unit 32 S15 Paper Dete...

Страница 8: ...Symbol Name Function Index No Relay RA1 Main Controls main power 24 Transformer TF1 2nd Sensor Detects paper jam at the relay unit 42 Sorter Stapler OVERALL MACHINE INFORMATION 6 March 1992 7 ...

Страница 9: ...pies in the bins are arranged by the jogger arm H If staple mode is selected when the last page of the original is delivered to the 1st bin the staple unit I starts stapling the copies in each bin The 1st sorter has capacity to hold 20 sorted copies If the 2nd sorter is installed next to the 1st sorter an additional 20 sorted copies can be sorted After the 20th copy is fed to the distribution unit...

Страница 10: ...s tray gate is driven by the by pass tray gate motor C Under normal operating conditions the by pass tray gate is in the home position H P sensor D is actuated to deliver copies to the sorter If a sorter paper jam occurs the gate rotates on its shaft E until the upper tray gate position sensor F is actuated and stops A D F C E B F Sorter Stapler SECTIONAL DESCRIPTION 6 March 1992 9 ...

Страница 11: ...ters the diagonal transport unit This skew prevents the diagonal transport guide B from catching the edge of the copies The paper is then moved to the front by the diagonal transport rollers C Where it is aligned as it is guided by the diagonal transport guide B The brake roller D prevents the rear side of the paper from falling forward If the paper is traveling lengthwise the pressure release sol...

Страница 12: ...enoid B is off the return spring C holds the bin gate D out of the paper path allowing the copies to pass to the upper bin The appropriate bin gate solenoid turns on and opens the bin gate The other solenoids are off The copies go to the bin E through the gate B E C A D Sorter Stapler SECTIONAL DESCRIPTION 6 March 1992 11 ...

Страница 13: ...paper passes the jam sensor the jogger arm moves twice due to the forward and reverse rotation of the jogger motor D Jogger arm movement is controlled through the link E and jogger bar F The reverse rotation of the jogger motor prevents motor lock caused by an overly stiff paper stack Even if the overly stiff paper interferes with the jogger arm movement the arm returns to its home position via th...

Страница 14: ...er arm has a shorter stroke to prevent it from disturbing the jogged paper in the bin Paper gripped by the grippers is moved by the grip motor into stapling position Resetting the main PCB DIP SW101 1 to 101 4 adjusts the stapling position 0 5 mm increments The stapled paper held by the gripper arms throughout stapling is returned to its original position The grip solenoid turns off to release the...

Страница 15: ...or remains actuated when the stapler finishes its operation The staple motor B drives the stapling mechanism and transporting of the staples from the cartridge C The hammer H P sensor D checks if the staple hammer E is in the home position The staple end sensor F checks if staples are present A E D B C F 6 March 1992 SECTIONAL DESCRIPTION 14 ...

Страница 16: ... on the jogger unit will stop in its home position During sorter operation the motor starts rotating when jogger operation at any bin is complete This lowers the jogger unit until it reaches to the next bin and then the motor stops When jogger operation for a designated number of copies is complete the motor rotates to raise the jogger unit back to its home position C B A Sorter Stapler SECTIONAL ...

Страница 17: ...top bin When stapling at the first bin is completed the staple unit positioning motor D energizes to move the staple unit to the next bin where stapling is repeated When stapling at the last bin is completed the motor D rotates to raise the staple unit back to its home position The staple positioning motor stops when the staple unit home position sensor H is actuated Raising the staple unit requir...

Страница 18: ...is purpose A relay unit is also added to the 1st sorter to transport paper to the 2nd sorter The relay unit is driven by the 2nd sorter main motor B The relay sensor C detects paper jams at the relay unit The relay unit cover D is provided to enable removal of misfed papers The photosensor E detects if the cover D is open A B D C E Sorter Stapler SECTIONAL DESCRIPTION 6 March 1992 17 ...

Страница 19: ...Doors and guide plates are provided to enable removal of misfed papers Each door has a safety switch to detect opening and closing These switches also perform the jam reset function 6 March 1992 SECTIONAL DESCRIPTION 18 ...

Страница 20: ...220 4 394 11 302 18 208 5 382 12 288 19 194 6 368 13 274 20 180 Staple failure is detected if the paper sensor is not de energized after the machine finishes returning the stapled paper to the bin 300 pls 340 pls 400 pls 280 pls 436 pls 470 pls 280 pls 280 pls OFF OFF OFF ON ON OFF ON ON Paper Exit Signal from Copier Entrance Sensor Registration Sensor Exit Sensor Jam Detection Timing Jam Sensor 1...

Страница 21: ...l transport unit the jam condition is reset when the diagonal transport door is closed after removing the misfed paper b If a paper jam occurs in the sorter the jam condition is reset when the vertical transport door or the horizontal transport door is closed after removing the misfed paper c If a staple failure occurs the jam condition is reset when the sorter front door is closed after removing ...

Страница 22: ... Original Guard 1 3 Upper Stay 1 4 Lower Stay 1 5 Harness Cover 1 6 Front Door 1 7 Lower By pass Tray 1 8 Staple Cartridge 1 9 Leveling Shoe 2 10 M4 x 6 Screw 9 11 M4 x 8 Screw with Star Washer 2 12 Installation Procedure 1 13 NECR 1 Sorter Stapler INSTALLATION PROCEDURE 6 March 1992 21 ...

Страница 23: ...tecting the bins 3 Open the front door E and remove the strips of filament tape F fixing the jogger unit and the grip unit 4 Remove the screw G fixing the staple unit 5 Remove the rear cover H 6 screws 6 Remove the three brackets I supporting the vertical transport cover 2 screws each 7 Remove the bracket J with the cushion supporting the bins 1 screw 8 Reinstall the rear cover A A B D C C C E F I...

Страница 24: ...tall the right cover passing the interface harness C 3 connectors and 1 ground wire through the lower hole of the right cover 10 Fix the upper and lower stays D 5 screws to enable fixing of the diagonal transport unit D C A B Sorter Stapler INSTALLATION PROCEDURE 6 March 1992 23 ...

Страница 25: ...terface harness C from the copier to the diagonal transport unit D 13 Fix the ground line E to the diagonal transport unit M4 x 8 screw with a star washer 14 Hook the diagonal transport unit on the upper stay F Then fix the unit to the lower stay G 15 Install the lower by pass tray H H D A B C E G F 6 March 1992 INSTALLATION PROCEDURE 24 ...

Страница 26: ...l the tray extension C 18 Join the 1st sorter to the diagonal transport unit pressing the 1st sorter until the two latches D lock together 19 Connect the harness connectors E and the optical fiber cable F 20 Set the timing belt G and hook the tension spring H E A B C D F G H Sorter Stapler INSTALLATION PROCEDURE 6 March 1992 25 ...

Страница 27: ...orter remove the staple cartridge cover E and set the staple cartridge F 25 Put the two leveling shoes G under the feet Confirm that the sorter is parallel to the copier 26 Turn on the main switch of the copier and test the operation of the sorter stapler NOTE The stapler will not staple for the first 10 or so copies until the first staple from the cartridge reaches the proper position for staplin...

Страница 28: ...Gate Solenoid 1 10 Staple Cartridge 1 11 Leveling Shoe 2 12 Bushing 1 13 Relay Connector 1 14 Decal 1 15 M4 x 6 Philips Pan Head Screw 2 16 M4 x 6 Truss Head Screw 1 17 M4 x 6 Screw with Washer 2 18 M4 x 8 Screw with Star Washer 1 19 M4 x 6 Screw with Spring Washer 3 20 M4 x 8 Double Washer Screw 1 21 Flat Head Screw 1 22 Installation Procedure 1 23 NECR 1 Sorter Stapler 6 March 1992 INSTALLATION ...

Страница 29: ...tecting the bins 3 Open the front door E remove the strips of filament tape F fixing the jogger unit and the grip unit 4 Remove the screw G fixing the staple unit 5 Remove the rear cover H 6 screws 6 Remove the three brackets I supporting the vertical transport cover 2 screws each 7 Remove the bracket J with the cushion supporting the bins 1 screw C C D B A E F I J G F I H INSTALLATION PROCEDURE 6...

Страница 30: ... interface board G packed with the 2nd sorter on the CN200 of the 1st sorter main board H so that the notch of the interface board is up 12 Remove the front harness cover I 3 screws and inner harness cover J 2 screws Connect the optical fiber cable K packed with the 2nd sorter to the interface board and run the cable as shown in the illustration 13 Install the relay connector L packed with the 2nd...

Страница 31: ...sorter 16 Install the joint bracket G packed with the 2nd sorter flat head screw H on the relay unit I 17 Remove the front cover J 1 screw and the rear cover K 2 screw of the relay unit 18 Install the relay unit in the 1st sorter 2 M4 x 6 screws with spring washer 19 Reinstall the rear cover K of the relay unit and the rear cover of the 1st sorter A D C B E F G K I J H INSTALLATION PROCEDURE 6 Mar...

Страница 32: ...unit 23 Connect three of the five connectors E from the 2nd sorter 24 Fix the ground line F from the 2nd sorter to the relay unit M4 x 8 with a star washer 25 Pass the harness through the cutout of the bracket D and install the bushing G packed with the 2nd sorter 26 Install the front cover C of the relay unit 2 screws 27 Install the front harness cover H and the front cover I of the horizontal tr...

Страница 33: ...nfirm that the sorter is parallel to the copier and the 1st sorter stapler 31 Stick the decal C on the left rear cover of the copier beside the power cord 32 Turn on the main switch of the copier and test the operation of the sorter stapler 33 Open the front door of the sorter remove the staple cartridge cover D and set the staple cartridge E NOTE The stapler will not staple for the first 10 or so...

Страница 34: ...ple Unit Trigger SP Mode 4 2 LED AND VARIABLE RESISTOR TABLE Main Board LED No VR No Function 100 100 Adjusts jam sensor sensitivity 101 101 Adjusts bin sensor sensitivity 4 3 FUSE TABLE Number Specification Location Fuse 100 125 V 5 A Main Board Fuse 1 125 V 5 A PSU Sorter Stapler 6 March 1992 SERVICE TABLES 33 ...

Страница 35: ...ting DIP SW100 4 to 1 Operation 1 Sorter Free Run 1 Main motor turns on 2 Side bar moves to the A4 position 3 By pass tray gate moves to the upper position 4 Pressure release solenoid is energized for 2 4 seconds 5 Bin solenoids turn on at the 1st bin continuing in order down to the 20th bin 6 Jogger moves at each bin 7 Machine stops operation for one second and then repeats the above operation fr...

Страница 36: ...0 1 0 1 2 0 mm shifted 1 0 1 0 1 2 5 mm shifted 0 1 1 0 1 3 0 mm shifted 1 1 1 0 1 3 5 mm shifted 0 Direction farther from the edge 1 Direction closer to the edge 0 OFF 1 ON Not concerned DIP SW101 1 101 2 and 101 3 determines the length the staple position is shifted DIP SW101 4 determines the shift direction up or down Sorter Stapler 6 March 1992 SERVICE TABLES 35 ...

Страница 37: ... they are soiled A cloth dampened with alcohol Sensors Clean the rollers if they are soiled A cloth dampened with alcohol Bushings Lubricate the bushings if they make noise Launa 40 oil or equivalent Gears Lubricate the gears if they make noise Grease G 501 Worm Gear Lubricate the worm gear if it makes noise Mobil temp 78 SERVICE TABLES 6 March 1992 36 ...

Страница 38: ...e bin jam sensor is replaced 1 Remove the rear cover 2 Confirm that there is no paper on the bins 3 Turn on the DIP SW100 4 on the main board 4 Turn the VR100 and VR101 so that the LED100 and LED101 are at the ON OFF threshold just turns off 5 Turn off the DIP SW100 4 Sorter Stapler 6 March 1992 REPLACEMENT AND ADJUSTMENT 37 ...

Страница 39: ...ver D 4 screws 3 Lower the staple unit E by manually turning the timing belt F of the staple unit positioning motor in the direction of the arrow 4 Remove the staple unit upper cover G 1 screw 5 Loosen the two screws H and adjust the staple unit position 6 Retighten the screws H Y Direction 1 Check the position of the staple A on the copy paper 2 Remove the rear cover 3 Adjust the staple position ...

Страница 40: ...lot D by turning the side bar motor manually 3 Confirm that the side bar is parallel and contacts both the 1st and 20th bin side bar slots front side 4 If improper contact is observed between the 1st and 20th bin remove the timing belt clamp E and reposition the side bar position A B E D C Sorter Stapler 6 March 1992 REPLACEMENT AND ADJUSTMENT 39 ...

Страница 41: ... the distribution unit and adjust the belt B C D E F G tension with tightener b c d e f g Standard B 5 mm deflection at 80 30 g pressure C 5 mm deflection at 140 40 g pressure D 5 mm deflection at 100 50 g pressure E 5 mm deflection at 100 50 g pressure F The distance between the belt and the bottom plate is 0 7 to 2 0 mm G 5 mm deflection at 100 50 g pressure A B C D E F G L H I J K L A a B C D G...

Страница 42: ...ressure 5 Remove the upper cover and adjust the belt J tension with the motor position bracket j Standard J 5 mm deflection at 200 30 g pressure 6 Remove the upper cover and adjust the belt K tension with the motor position bracket k Standard K 5 mm deflection at 150 50 g pressure 7 Remove the upper cover and adjust the belt L tension with the tightener l Standard L 10 mm deflection at 200 30 g pr...

Страница 43: ...til it reaches to the lower limit 5 Remove the idle pulley E 2 screws 6 Count the number of the timing belt F pitches that stickout of the fixing plates G Then remove the two fixing plates 2 screws each 7 Remove the front door hinge H 1 screw and the elevator guide bar fixing bracket I 1 screw 8 Slide out the elevator guide bar J and remove the elevator unit K NOTE When reassembling the machine fi...

Страница 44: ...ear cover B the front door C the right front cover D and the lower right cover E 2 Remove off the side bar F from the side bar holder G and remove it 3 Remove the appropriate bin A B E D C F G Sorter Stapler 6 March 1992 REPLACEMENT AND ADJUSTMENT 43 ...

Страница 45: ...crew 4 Adjust the sensor sensitivity by turning VR100 and 101 on the main board Lower Bin Jam Sensor 1 Remove the motor cover C 2 screws and the harness cover D 2 screws 2 Remove the bottom 5 bins 3 Replace the lower bin jam sensor E 1 screw 4 Adjust the sensor sensitivity by turning VR100 and 101 on the main board B A E C D REPLACEMENT AND ADJUSTMENT 6 March 1992 44 ...

Страница 46: ...e harness cover C 2 screws 3 Disconnect the 5 connectors D the fiber optic cable E and remove the screw F fixing the ground line 4 Take the timing belt G off the pulleys 5 Press the lock lever H to the allow direction and detach the sorter from the copier D E G A C B H F Sorter Stapler 6 March 1992 REPLACEMENT AND ADJUSTMENT 45 ...

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