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Ricoh RF3020, Service Manual

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Ricoh RF3020 Service Manual Download Page 41

  

13. Remove the DF main PCB cover [A] and turn off DIP switch 101-2.

NOTE: Make sure that DIP switch 101-1 is on and the other switches

(101-2, 3 and 4) are off.

14. Install the angle stopper [B] (2 screws [15] in the accessories list).

15. Install the original table [C].

[A]

A318I511.img

[C]

[B]

A318I512.img

INSTALLATION PROCEDURE

31 October 1995

28

Summary of Contents for RF3020

Page 1: ...DOCUMENT FEEDER ...

Page 2: ...B6 lengthwise 51 2 x 81 2 lengthwise Weight 53 to 105 g m2 14 to 28 lb Original Feed Automatic feed ADF mode Manual feed one by one SADF mode Original Table Capacity 35 sheets 64 g m2 17 lb Original Set Face up First sheet on top Original Transport One flat belt Copy Speed 20 copies minute for A4 81 2 x 11 sideways Power Consumption 20 W Dimensions W x D x H 670 x 460 x 103 mm 26 4 x 18 1 x 4 1 We...

Page 3: ...onents 1 Original Set Sensor 9 DF Main Board 2 Registration Sensor 10 Feed out Motor 3 Pulse Generator Sensor 11 Inverter Solenoid 4 Original Width Sensor 12 Feed out Sensor 5 Pick up Solenoid 13 Original Select Switch 6 Belt Drive Motor 14 Feed in Solenoid 7 Indicator Panel 15 DF Position Sensor 8 Lift Switch A054 A072 A111 copiers only 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 9 10 13 14 12 8 11 15 COM...

Page 4: ...DF is lifted and also serves as the jam reset switch for the DF 8 SW2 Original Select Switch Selects thick original mode or thin original mode 13 Sensors S1 Original Set Sensor Informs copier CPU that originals have been placed and causes the Insert Original indicator to go out 1 S2 Registration Sensor Sets original stop timing and measures original length 2 S3 Original Width Sensor Determines the...

Page 5: ...belt drive motor and the inverter motor are controlled by the DF CPU through their respective driver ICs The exchanged signals are shown in the tables on the next page DF Main Board PCB1 RXD TXD Copier Main Board PCB1 CPU ROM Driver IC Driver IC TXD RXD Feed out Motor Belt Drive Motor Solenoids Indicators Sensors Switches OVERALL MACHINE CONTROL 1 May 1993 4 ...

Page 6: ...ed in the DF 2 Copie r DF No Sig nal Name De f inition 1 Feed in Requests the DF to feed in the original 2 Feed out Requests the DF to feed out the original 3 Invert Original Requests the DF to invert the original 4 Auto Feed Shifts the DF to the auto feed mode 5 Original Stay The machine attempted to use the DF but an original from the previous copy run remains on the exposure glass 31 October 19...

Page 7: ...gistration sensor The belt drive motor turns off shortly after the original s trailing edge passes the DF registration sensor While feeding the original the DF registration sensor and the paper width sensor check the original size Just when the original trailing edge has passed the DF registration sensor the DF CPU sends the copy start signal to the copier When the scanner reaches the return posit...

Page 8: ...or reverses and the original is fed towards the left scale and is aligned against the scale The DF CPU sends the copy start signal a short time after the original trailing edge has passed the feed out sensor When the scanner reaches the return position the copier CPU sends the invert original signal to the DF CPU in order to make a copy of the front side The original is inverted in the same way as...

Page 9: ... power supply board The option dc power supply board then converts the 10 volts ac input to 5 volts dc and the 26 volts ac input to 24 volts Then those two dc voltages are supplied to the DF main board The regulator IC on the DF main board further steps down the 24 volts to 12 volts 115Vac 26Vac 10Vac 220 230 240Vac 5V 12V 24V 24V VA 5V VC Regulator IC DF Main Board PCB1 AC Drive Board PCB2 Option...

Page 10: ...en converts the 10 volts ac input to 5 volts dc and the 31 volts ac input to 24 volts Then those two dc voltages are supplied to the DF main board through the copier main board The regulator IC on the DF main board further steps down the 24 volts to 12 volts 115Vac 220 230 240Vac AC Drive Board PCB2 31Vac 10Vac 5V 12V 24V 24V VA 5V VC Regulator IC DF Main Board PCB1 Main Transformer TR1 24V VA 5V ...

Page 11: ... move out of the sensor The DF then sends the original set signal to the copier CPU to inform it that the DF will be used When the Start key is pressed the pick up solenoid B is energized The original stack is then pressed between the pick up lever C and pick up roller D The rotation of the pick up roller advances the bottom original B C A D A ORIGINAL FEED 1 May 1993 10 ...

Page 12: ...rts when the feed roller starts turning and advances the bottom original of the stack The feed roller moves the original past the friction belt because the driving force of the feed roller is greater than the resistance of the friction belt The friction belt prevents multiple feeds because the resistance of the friction belt is greater than the friction between original sheets B A B C A Document F...

Page 13: ...n solenoids are energized 100 milliseconds after the Start key of the copier is pressed Then 100 milliseconds after the solenoids are energized the belt drive motor starts turning The pulse generator disc G always turns when the belt drive motor is on Slightly after the original trailing edge passes the registration sensor the relay rollers and the transport belt stop turning F E C D B A G ORIGINA...

Page 14: ...xact timing depends on registration adjustment Thin original mode is selected at the factory 2 Thick Original Mode When thick original mode is selected the belt drive motor remains energized for an additional 30 encoder pulses as compared to thin original mode Then the belt drive motor pauses and reverses for 21 pulses This forces the original against the left scale and thus aligns the edge of the...

Page 15: ...ginal width sensor A registration sensor and pulse generator sensor B The original s length is calculated by counting the number of pulses from the pulse generator while the registration sensor is on Original size detection is necessary for the feed in feed out timing of the DF B A ORIGINAL FEED 1 May 1993 14 ...

Page 16: ...nal is fed into the feed in unit passing over the DF registration sensor A The feed out motor B and the inverter solenoid C turn on 100 milliseconds after the original trailing edge passes the registration sensor When the inverter solenoid turns on the inverter pawls D rotate counterclockwise D C B E D A 1 Document Feeder 1 May 1993 ORIGINAL FEED 15 ...

Page 17: ... the original against the left scale When the original leading edge reaches the left scale the belt drive motor stops At the same time the feed out motor and the inverter solenoid turn off 4 After the reverse side of the original is exposed the belt drive motor the feed out motor and the inverter solenoid turn on and the original is fed into the inverter section This is the same as step 2 above 5 ...

Page 18: ...original to the inverter rollers C and the exit rollers take over the original feed out When the original trailing edge passes the feed out sensor D the feed out motor drops to half of its normal speed for 220 milliseconds and then stops The lower speed prevents uneven stacking of originals For A3 or double letter size originals the feed out motor speed does not change due to the length of the ori...

Page 19: ...t which sends the motor drive pulses An encoder in the servomotor has two magnetic sensors that generate two pulse signals phase A and B The driver IC monitors the belt speed and direction with these pulse signals and uses the signals to regulate the motor s speed Speed Driver Driver CN103 1 PWM ON OFF DF Main Board PCB 1 Circuit CPU IC Data Phase A Phase B 5V CN103 2 CN103 3 CN103 4 CN102 1 CN102...

Page 20: ...frequency generator of the feed out motor makes a very low voltage ac signal which is fed back to the driver IC The driver IC monitors the frequency of this ac signal and based on the frequency it regulates the motor speed DF Main Board PCB 1 CPU CN104 A2 High Low Regulation FG Driver Drive Circuit IC ON OFF AC Feedback CN104 A15 Voltage CN104 B8 CN104 A12 Motor Feed out Motor Document Feeder 1 Ma...

Page 21: ...Main Board PCB1 24 24V 24V 12 5V 12 5V 0 12 5 Original Select SW Pulse Generator Sensor Original Set Sensor P Photoreceiver S Schmitt Trigger Circuit 5 P S CN104 B11 Registration Sensor P S 5 Original Width Sensor P S 5 5V Feed out Sensor CN104 B9 CN104 B15 CN104 B2 CN104 A9 CN104 B17 CN104 B16 CN104 A11 CN104 A1 CN104 B10 CN104 A16 CN104 A10 Lift SW SW1 CN104 A17 CN104 B6 Pick up SOL CN104 A3 CN1...

Page 22: ... document feeder is closed The copier then shifts to the document feeder mode The lift switch also serves as the reset switch for document feeder misfeeds When a book or thick maximum thickness 60 mm original is copied the DF acts as a cover for the original as shown in the figure F The lift switch is turned off during this condition so the DF does not function The tension of spring G returns the ...

Page 23: ...250 milliseconds the CPU determines that there has been an original misfeed OFF check The Original Misfeed indicator also lights if the feed out sensor is not actuated within 1 250 milliseconds after the feed out motor starts turning ON check or if the feed out sensor does not turn off within 1 250 milliseconds after the feed out sensor is actuated OFF check Registration Sensor ON check 685 ms OFF...

Page 24: ...lights if the feed out sensor does not turn off within 1 250 milliseconds after the belt drive motor reverses OFF check If a previous original remains on the exposure glass after manual copying and DF feed is attempted the original misfeed indicator lights When the DF is lifted and the previous original is removed DF copying is permitted Registration FS ON check 1250 ms FS OFF check 1250 ms Feed o...

Page 25: ...027 A048 A054 A075 A030 A072 1 pc 9 Bushing for A027 A048 A054 A075 A030 1 pc 10 Toothed Washer 1 pc 11 Ground Screw M4 x 6 1 pc 12 Hexagon Head Screw M4 x 10 4 pcs 13 Philips Screw with Flat Washer M4 x 5 4 pcs 14 Philips Pan Head Screw M4 x 5 round head 3 pcs 15 Philips Pan Head Screw M4 x 5 flat head 2 pcs 16 Philips Pan Head Screw M3 x 5 1 pc 17 Philips Pan Head Screw with Washer M3 x 5 for A0...

Page 26: ... 12 for A072 2 pcs 26 Clamp for A072 A110 A111 1 pc 27 Philips Pan Head Screw with Flat Washer M4 x 8 for A072 A110 A111 1 pc for Machine Code A027 A048 A075 A110 When the DF is installed the power supply unit option is required Make sure that you have all the accessories listed in the power supply unit installation procedure 20 21 22 23 24 25 26 27 Document Feeder 1 May 1993 INSTALLATION PROCEDUR...

Page 27: ...nd A110 Copiers 2 The clamp position of the DF harness with the bushing or clamp is different for each machine as follows X position A027 copier Y position A030 A048 A054 A072 and A075 copiers Z position A110 and A111 copiers A X Y Z INSTALLATION PROCEDURE for Machine Code A110 A111 1 May 1993 26 ...

Page 28: ...or fixing the operation panel 4 Rear cover D 4 screws 3 Cut the two links E with nippers and bend the large harness cap F in until it touches the rear cover 4 Remove the lift sensor G 1 screw A111 copier only 5 Remove the CC G B power pack H 1 screw and 2 locking supports and clamp the connector I as shown in the illustration then reinstall the CC G B power pack A111 copier only E A B C D F G H I ...

Page 29: ... on the exposure glass as shown and measure the clearance a between the DF mounting bracket and E plate using a scale 2 Remove the DF mounting bracket and insert the spacers C in order that the clearance a is between 0 mm and 0 3 mm 8 Remove the strip of tape D A B a C C D INSTALLATION PROCEDURE for Machine Code A110 A111 1 May 1993 28 ...

Page 30: ...to the left as shown 10 Secure the DF to the DF mounting bracket 4 screws 13 11 Secure the 2 stud screws A as shown in the figure 12 Install the lift switch actuator B 1 screw 16 13 Install the sensor actuator C 23 1 screw 17 A111 copier only B C A Document Feeder 1 May 1993 INSTALLATION PROCEDURE for Machine Code A110 A111 29 ...

Page 31: ... power supply unit A110 copier only 17 Connect the dc harness connector 4P White H to CN134 on the main board A111 copier only 18 Disconnect the connector I 3P Brown from the platen cover position sensor connector J then connect the connector I to the connector K of the DF harness A111 copier only 19 Secure the grounding wire L 1 screw and toothed washer A C E D F G L A110 copier B A111 copier J I...

Page 32: ...pier only 22 Remove the DF main PCB cover C and turn off DIP switch 101 2 NOTE Make sure that DIP switch 101 1 is on and the other switches 101 2 3 and 4 are off 23 Install the angle stopper D 2 screws 15 24 Install the original table E B A A110 copier C E D Document Feeder 1 May 1993 INSTALLATION PROCEDURE for Machine Code A110 A111 31 ...

Page 33: ...ews NOTE Open and close the document feeder confirming that the magnet catches are making good contact 27 Plug in the copier and turn on the main switch 28 Confirm the original registration See page 33 29 Reassemble the copier The DF harness fits in the cut out on the rear cover as shown 30 Check the operation of the DF 31 Position the original select switch to thin paper mode normal position and ...

Page 34: ...er 5 Make a copy of the test sheet in DF two sided original mode NOTE a The test sheet should stop pressed against the left scale in DF two sided original mode b The position of the original select switch does not matter 6 Compare the registration of the copy in platen mode with that of DF two sided original mode and confirm that the difference is within 2 0 mm 7 If the difference is more than 2 0...

Page 35: ...1 pc 9 Bushing not used 1 pc 10 Toothed Washer 1 pc 11 Ground Screw M4 x 6 1 pc 12 Hexagon Head Screw M4 x 10 4 pcs 13 Philips Screw with Flat Washer M4 x 5 4 pcs 14 Philips Pan Head Screw M4 x 5 round head 3 pcs 15 Philips Pan Head Screw M4 x 5 flat head 2 pcs 16 Philips Pan Head Screw M3 x 5 1 pc 17 Philips Pan Head Screw with Washer M3 x 5 not used 1 pcs 18 Stud Screw 2 pcs 19 DF Test Sheet 1 p...

Page 36: ...ips Pan Head Screw M5 x 12 not used 2 pcs 26 Clamp 1 pc 27 Philips Pan Head Screw with Flat Washer M4 x 8 1 pc NOTE Optional DF Interface Kit Type B A625 is necessary to install a DF57 on the A173 model This kit includes the following parts DF Interface Board 1 pc Studs 2 pcs M3 x 6 Hexagon Head Screws 4 pcs 20 21 22 23 24 25 26 27 A318I501 img 31 October 1995 INSTALLATION PROCEDURE 23 ...

Page 37: ...NOTE Connector 3P Brown A on the DC harness assembly is not used with the A173 copier A A318I502 img INSTALLATION PROCEDURE 31 October 1995 24 ...

Page 38: ... Adjust the height of the DF mounting bracket in the following order 1 Set the E plate C on the exposure glass as shown and measure the clearance a between the DF mounting bracket and the E plate using a scale 2 If necessary remove the DF mounting bracket and insert spacers D until the clearance a is between 0 mm and 0 3 mm 5 Remove the strip of tape E A A318503 wmf B A318I504 img D D A318I505 img...

Page 39: ...d the pins on the mounting bracket then slide the DF to the left as shown 7 Secure the DF to the DF mounting bracket 4 screws 13 in the accessories list 8 Secure the 2 stud screws A as shown in the diagram A318I508 img A A318I509 img INSTALLATION PROCEDURE 31 October 1995 26 ...

Page 40: ...face board B on the main board 2 studs C and 4 screws 11 Connect the optics fiber cable connector 2P Black D and the dc harness connector E to the DF interface board 12 Secure the grounding wire F 1 screw and toothed washer A F B E D C A318I510 wmf 31 October 1995 INSTALLATION PROCEDURE 27 ...

Page 41: ... 2 NOTE Make sure that DIP switch 101 1 is on and the other switches 101 2 3 and 4 are off 14 Install the angle stopper B 2 screws 15 in the accessories list 15 Install the original table C A A318I511 img C B A318I512 img INSTALLATION PROCEDURE 31 October 1995 28 ...

Page 42: ...irming that the magnet catches are making good contact 18 Plug in the copier and turn on the main switch 19 Inch version machines only Access SP mode and change the setting of SP1 from 0 to 1 20 Check the original registration See page 30 21 Reassemble the copier The DF harness fits in the cut out in the rear cover as shown 22 Check the operation of the DF 23 Position the original select switch to...

Page 43: ...opping later 5 Make a copy of the test sheet in DF two sided original mode NOTE a The test sheet should stop pressed against the left scale in DF two sided original mode b The position of the original select switch does not matter 6 Compare the registration of the copy in platen mode with that of DF two sided original mode and check that the difference is within 2 0 mm 7 If the difference is more ...

Page 44: ...9 Bushing 1 10 Toothed Washer 1 11 Grounding Screw M4 x 6 1 12 Hexagon Head Screw M4 x 10 4 13 Philips Screw with Flat Washer M4 x 5 4 14 Philips Pan Head Screw M4 x 5 round head 3 15 Philips Pan Head Screw M4 x 5 flat head 2 16 Philips Pan Head Screw M3 x 5 1 17 Stud Screw 2 18 DF Test Chart 1 NOTE 1 When the document feeder is installed on the copier the DC power supply unit option is required 2...

Page 45: ...supply unit 2 Remove the following parts from the copier 1 Platen cover A 2 push locks 2 Platen cover pedestal B 4 screws 3 2 screws C for fixing the operation panel 3 Remove the harness cap D on the rear cover with nippers D A B C 1 December 1990 8 25 ...

Page 46: ...low 1 Set the E plate B on the exposure glass as shown and measure the clearance a between the DF mounting bracket and the E plate with a scale 2 Remove the DF mounting bracket and insert spacers C until the clearance a is between 0 mm and 0 3 mm 6 Remove the strip of tape D B a D A C C 1 December 1990 8 26 ...

Page 47: ...as shown 8 Secure the DF to the DF mounting bracket 4 screws 9 Secure the 2 stud screws A as shown 10 Install the lift switch actuator B 1 screw 11 Place the bushing C on the DF harness as shown in the figure 12 Place the bushing on the harness bracket D and secure the bracket to the harness support bracket E 2 screws A C B E D D 1 December 1990 8 27 ...

Page 48: ... harness 4P White B to the optional harness connector C then connect the optional harness connector D to CN102 on the dc power supply unit 15 Secure the grounding wire E to the right side plate 16 Install the angle stopper F 2 screws 17 Install the original table G A D E B C G F 1 December 1990 8 28 ...

Page 49: ...e the document feeder to confirm that the magnet catches are making good contact 21 Plug in the copier and turn on the main switch 22 Confirm the original registration as follows 1 Make a copy of the test sheet in platen mode A4 width 2 Confirm that the original select switch is set to thin paper mode and make a copy in DF mode A4 width 3 Compare the registration of the copy in platen mode with th...

Page 50: ...ore than 2 0 mm remove the DF main PCB cover and adjust VR103 to change the original stop timing NOTE 1 The test sheet should stop pressed against the left scale in DF two sided original mode 2 Turning VR103 clockwise results in the original stopping later 23 Reassemble the copier The DF harness fits in the cut out on the rear cover as shown 24 Check the operation of the DF 25 Position the origina...

Page 51: ... 4 pcs 7 DF Harness Bracket 1 pc 8 Bushing 1 pc 9 Toothed Washer 1 pc 10 Ground Screw M4 x 6 1 pc 11 Hexagon Head Screw M4 x 10 4 pcs 12 Philips Screw with Flat Washer M4 x 5 4 pcs 13 Philips Pan Head Screw M4 x 5 round head 3 pcs 14 Philips Pan Head Screw M4 x 5 flat head 2 pcs 15 Philips Pan Head Screw M3 x 5 1 pc 16 Stud Screw 2 pcs 17 DF Test Sheet 1 pc 1 2 3 4 7 8 9 5 6 10 11 12 13 14 15 17 1...

Page 52: ...ad Screw M4 x 6 5 pcs 22 Grounding Screw M4 x 6 1 pc 23 Toothed Washer 1 pc 24 Sensor Actuator for A072 1 pc 25 Philips Pan Head Screw M5 x 12 for A072 2 pc 26 Clamp for A072 1 pc 27 Philips Pan Head Screw with Flat Washer M4 x 8 for A072 1 pc 18 20 19 21 22 23 24 25 27 26 INSTALLATION PROCEDURE for Machine Code A072 20 December 1991 22 ...

Page 53: ... to lift up the leaf spring B as shown 2 Two screws C fixing the platen cover 3 Two screws D fixing the scale cover 4 Harness hole mylar E 5 Right cover F 2 screws 2 Open the rear cover G 2 screws 3 Remove the strips of tape H 4 Remove the platen cover position sensor I 1 screw 1 connector then insert the removed connector into the bracket hole H I A C D G F E B 20 December 1991 INSTALLATION PROCE...

Page 54: ...ing bracket in the following order 1 Set the E plate B on the exposure glass as shown and measure the clearance a between the DF mounting bracket and the E plate 2 Remove the DF mounting bracket and insert the spacers C to make clearance a between 0 mm and 0 3 mm B A C C INSTALLATION PROCEDURE for Machine Code A072 20 December 1991 24 ...

Page 55: ...lide the DF to the left as shown 8 Secure the DF to the DF mounting bracket 4 screws 13 9 Install the 2 stud screws B as shown in the figure 10 Install the lift switch actuator C 1 screw 16 11 Install the positioning sensor actuator D 24 1 screw 17 A B C D 20 December 1991 INSTALLATION PROCEDURE for Machine Code A072 25 ...

Page 56: ...ssory bracket B 1 screw 27 13 Install the DF harness as follows 1 Fiber optics CN108 main PCB 2 4P connector 4P connector copier 14 Disconnect the copier 2P brown connector C and connect it to the DF 2P connector 15 Secure the grounding wire D 1 grounding screw 1 toothed washer 16 Reinstall the copier s cover C A B D INSTALLATION PROCEDURE for Machine Code A072 20 December 1991 26 ...

Page 57: ...17 Install the angle stopper A 2 screws and the original table B A B 20 December 1991 INSTALLATION PROCEDURE for Machine Code A072 27 ...

Page 58: ...ss 19 Reinstall the grip cover 3 screws 20 Remove the main PCB cover 1 screw and set DIP SW 101 on the main PCB as follows ON 101 1 OFF 101 2 3 4 21 Plug in the copier and turn on the main switch 22 Confirm the original registration See next page 23 Check the operation of the DF 24 Position the original select switch to the thin paper mode normal position and explain the function of this switch to...

Page 59: ...riginal stopping later 5 Make a copy of the test sheet in DF two sided original mode NOTE a The test sheet should stop pressed against the left scale in DF two sided original mode b The position of the original select switch does not matter 6 Compare the registration of the copy in platen mode with that of DF two sided original mode and confirm that the difference is within 2 0 mm 7 If the differe...

Page 60: ...o prepare it for transportation as follows The document feeder may be badly damaged if it is moved without proper preparation 1 Remove the original table A 2 Secure the document feeder with strips of tape B as shown in the illustration A B B PREPARATION FOR TRANSPORTATION 1 May 1993 34 ...

Page 61: ...lt Replacement 1 Turn off the main switch and remove the grip A 3 screws 2 Remove the DF main PCB cover B 1 screw 1 connector 3 Open the entrance guide C and remove the transport belt assembly D 5 screws A D C B Document Feeder 1 May 1993 REPLACEMENT AND ADJUSTMENT 35 ...

Page 62: ...sport belt make sure the belt lies between the belt guide spacers C b When installing the transport belt assembly make sure the positioning pin correctly fits in the DF frame and hold open the exit guide to prevent the mylar strip from becoming damaged A B C REPLACEMENT AND ADJUSTMENT 1 May 1993 36 ...

Page 63: ...the main switch 2 Remove the transport belt assembly See Transport Belt Replacement 3 Remove the belt drive motor cover A 4 screws 4 Remove the feed in unit B 4 screws 8 connectors B A Document Feeder 1 May 1993 REPLACEMENT AND ADJUSTMENT 37 ...

Page 64: ...nsor assembly B 1 screw 1 connector 5 Remove the pick up roller C 3 E rings 1 bushing 1 gear NOTE a Be careful not to loose the pin D b When installing the roller make sure the positioning pin is correctly inserted in the cut out of the roller c When installing the gear make sure the flat side of the gear is facing away from the roller A B C D REPLACEMENT AND ADJUSTMENT 1 May 1993 38 ...

Page 65: ...ver spring A 4 Remove the pick up roller assembly B 2 E rings 2 bushings 5 Disassemble and lubricate the feed clutch C 1 E ring with Mobil Temp 78 NOTE a Be careful not to loose the pin D b When installing the feed clutch make sure the positioning pin is correctly inserted in the cut out of the clutch B D C A Document Feeder 1 May 1993 REPLACEMENT AND ADJUSTMENT 39 ...

Page 66: ...e feed in unit see Feed in Unit Removal without disconnecting the eight connectors 4 Turn on the main switch NOTE When the main switch is turned on the DPS101 setting on the DF main PCB must be as follows 1 ON 3 OFF 2 ON 4 OFF This is so that the initial check sequence can take place B F E C D A REPLACEMENT AND ADJUSTMENT 1 May 1993 40 ...

Page 67: ...ding the solenoid securely move it slowly towards the left until the plunger is attracted to the solenoid Just at this point tighten the screw NOTE Make sure the pick up lever is touching the pick up roller during this adjustment 10 Press SW 102 F to turn off the solenoids 11 Turn off DPS101 3 and 4 then turn on DPS101 1 and 2 12 Turn off the main switch and reassemble the DF 13 Check the original...

Page 68: ...nt bracket 1 E ring 1 bearing 5 Remove the feed roller C 3 E rings 1 side roller 1 pull out roller NOTE a Take care not to lose the pins b When installing the feed roller make sure the gear side of the roller faces the front see illustration c When installing the side and pull out rollers make sure the pins are correctly inserted in the cut outs of the rollers C B A REPLACEMENT AND ADJUSTMENT 1 Ma...

Page 69: ...FF 4 OFF 5 Turn on the main switch 6 Turn off DPS101 1 and 2 then turn on DPS101 3 and 4 B 7 Loosen the 2 screws securing the feed in solenoid C 8 Press SW101 on the DF main PCB to engage all DF solenoids and adjust the position of the solenoid until the gap D see illustration is within 1 0 2 0 mm 9 Press SW102 on the DF main PCB to turn off all DF solenoids 10 Turn off DPS101 3 and 4 then turn on...

Page 70: ...iction belt assembly B 1 screw 4 Remove the friction belt C 2 springs 1 pin NOTE a When installing the friction belt assembly make sure the friction roller D is set in the correct position see illustration b If the seal cover becomes dirty or deformed replace it with a new one A B C D REPLACEMENT AND ADJUSTMENT 1 May 1993 44 ...

Page 71: ...ut Unit Removal 1 Turn off the main switch 2 Remove the DF grip A 3 screws 3 Remove the feed out motor cover B 4 screws 4 Remove the feed out unit C 4 screws 3 connectors C B A Document Feeder 1 May 1993 REPLACEMENT AND ADJUSTMENT 45 ...

Page 72: ... ON 2 ON 3 OFF 4 OFF 5 Turn on the main switch 6 Turn off DPS101 1 and 2 then turn on DPS101 3 and 4 B 7 Loosen the screw securing the inverter solenoid C 8 Press SW101 on the DF main PCB to engage all DF solenoids and adjust the position of the solenoid until the gap D See illustration is within 1 5 0 5 mm 9 Press SW102 on the DF main PCB to turn off all DF solenoids 10 Turn off DPS101 3 and 4 th...

Page 73: ...l the leading edge registration is within specification NOTE Turning VR102 clockwise results in stopping the original later 5 Using the DF test chart make a copy in the DF two sided original mode Insert the original face down 6 Compare the leading edge registration with that of the platen cover mode copy and check that the difference between the two copies is within 2 00 mm 7 If out of specificati...

Page 74: ...VR101 A so that both the Insert Original indicator B and Auto Feed indicator C turn off NOTE a When the Insert Original indicator lights turn VR101 clockwise to reduce the motor speed b When the Auto Feed indicator lights turn VR101 counterclockwise to increase the motor speed c Confirm that both indicators remain off for approximately 5 seconds in order to stabilize the motor speed 5 Turn off DIP...

Page 75: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 CN118 CN200 CN119 CN111 CN104 CN103 CN102 CN106 CN101 CN110 CN108 CN109 CN119 CN120 CN115 CN116 CN114 CN121 CN117 CN31 CN27 CN26 Indicator Panel Belt Drive Motor DF Main Board DF Main Board DF Main Board DF Main Board DF Main Board Inverter Solenoid Feed out Motor Feed out Sensor Original Select Switch Feed in Solenoid Pick up Solenoid Origi...

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Page 77: ...2 20 21 18 1 17 22 3 4 5 6 7 8 9 10 11 12 19 13 16 15 14 ...

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