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2.Replacement and Adjustment 

29 

4. 

Remove the main board (PCB1) [A]. 

 

Summary of Contents for PB2030

Page 1: ...Paper Feed Unit PB2030 2040 Machine Code D3F1 Field Service Manual Ver 1 0 Latest Release December 2018 Initial Release December 2018 c 2018 Ricoh Co Ltd ...

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Page 3: ...on of a screw s to be tightened or loosened Location of a connector s clamp s or spring s to be removed Direction Rotating or moving Abbreviations Abbreviation Meaning LEF Short Edge Feed SEF Long Edge Feed Abbreviations such as M1 S1 or TH1 after the names of some electrical components indicates that those components are shown on a Point to Point diagram A Short Edge Feed SEF B Long Edge Feed LEF...

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Page 5: ... 2 Replacement and Adjustment 14 Covers and Roller 14 Paper Tray 14 Rear Cover 15 Pick up Roller 16 Paper Feed Roller 17 Friction Roller 17 Vertical Transfer Rollers 18 Motors and Clutch 22 Tray Lift Motor M2 22 Transport Motor M1 22 Paper Feed Clutch CL1 23 Sensors and Board 25 Paper End Sensor S2 25 Tray Lift Sensor S3 25 Paper Feed Sensor S1 26 Tray Set Switch SW1 26 Right Door Switch SW1 26 Ma...

Page 6: ...1 Mechanism 2 1 Mechanism Overview No Description No Description 1 Vertical transfer roller 4 Pick up roller 2 Paper feed roller 5 Tray bottom plate 3 Friction roller ...

Page 7: ...1 Mechanism 3 Paper Path ...

Page 8: ...1 Mechanism 4 Drive Layout No Description No Description 1 Tray lift motor M2 3 Transport motor M1 2 Paper feed clutch CL1 ...

Page 9: ...echanism 5 Parts Layout No Description No Description 1 Paper feed clutch CL1 5 Paper end sensor S2 2 Transport motor M1 6 Paper feed sensor S1 3 Tray lift motor M2 7 Main board PCB1 4 Tray lift sensor S3 ...

Page 10: ...et in the machine the tray bottom plate is lifted up and the pick up roller B contacts the top of the stuck paper When the transport motor M1 C and the paper feed clutch CL1 D is switched ON the rollers rotate and then the paper is supplied to the mainframe by the paper feed roller E and vertical transport roller F The paper feed sensor G detects the leading edge and trailing edge of the paper to ...

Page 11: ...the tray is set The coupling B between the shaft A at the rear of the tray and the tray lift motor M2 C then engages the motor rotates and the tray bottom plate D is lifted The tray bottom plate lifts until the paper surface pushes up the pick up roller A the tray lift sensor S3 B switches OFF interrupt by the tray lift feeler C and the machine enters the paper feed ...

Page 12: ...1 Mechanism 8 standby mode When the tray is removed the coupling is released and the tray bottom plate moves down The lift motor then rotates until the coupling returns to the home position ...

Page 13: ...and the paper end sensor S2 B is deactivated When the paper tray runs out of paper the paper end feeler drops into the cutout C in the tray bottom plate and the paper end sensor S2 is activated When the paper tray is drawn out with no paper in the tray the paper end feeler is not caught in the paper tray due to its shape ...

Page 14: ...ange in the outputs from the switches the machine detects the paper size again from the new outputs If the paper size is selected manually by a user setting the automatic size detection is overridden No Description No Description 1 End fence 3 Tray set switch 2 Paper size switch 4 Size detection actuator Tray detection sizes A3 B4 A4 SEF LT SEF B5 SEF and A4 LEF Tray size detection patterns Size K...

Page 15: ... 0 0 is switch ON pushed 1 is switch OFF The sizes indicated with 1 are automatic paper size which can be switched over in SP mode SP5 180 001 to 003 If a pattern other than the above is detected a blank is displayed on the operation panel ...

Page 16: ...ongly the fences may deform or bend This may cause the paper to skew or the side to side registration to be incorrect To correct this each side fence has a stopper A attached to it Each side fence can be secured with a screw B for customers who do not want to change the paper size ...

Page 17: ... SPs SP No Selection Def Overview 5 180 001 0 Tray size setting 0 A4LEF 1 LTLEF Paper Size Detection 5 180 002 0 Tray size setting 0 A3 1 DLT Paper Size Detection 5 180 003 0 Tray size setting 0 B4 1 LG Paper Size Detection ...

Page 18: ...2 Replacement and Adjustment 14 2 Replacement and Adjustment Covers and Roller Paper Tray Single paper feed unit 1 Pull out the paper tray A ...

Page 19: ...2 Replacement and Adjustment 15 Double paper feed unit 1 Pull out the paper tray A Rear Cover Single paper feed unit 1 Remove the rear cover A ...

Page 20: ...uble paper feed unit 1 Remove the rear cover A Pick up Roller This procedure is common to the single paper feed unit and the double paper feed unit 1 Pull out the paper tray Paper Tray 2 Remove the pick up roller unit A x 1 bearing x 1 ...

Page 21: ...ure is common to the single paper feed unit and the double paper feed unit 1 Remove the pick up roller unit Pick up Roller 2 Remove the paper feed roller A x 2 Friction Roller This procedure is common to the single paper feed unit and the double paper feed unit 1 Remove the paper feed guide A x 8 ...

Page 22: ...e the friction roller A x 1 Vertical Transfer Rollers This procedure is common to the single paper feed unit and the double paper feed unit Vertical Transfer Roller Driving Side 1 Pull out the paper tray Paper Tray 2 Remove the rear cover Rear Cover 3 Release the sensor harness A x 3 ...

Page 23: ...r A 5 Remove the top cover A x 12 6 Remove the vertical transfer roller unit A x 7 7 Remove the vertical transfer roller cover A Slide the hooks C with the buttons B held pressed and then release the hook D to remove the vertical transfer roller cover A ...

Page 24: ...own 2 Remove the vertical transfer roller B x 1 Slide the vertical transfer roller shaft and then pull out the vertical transfer roller B from the bracket by aligning the pin C with the slot D in the bracket Vertical Transfer Roller Driven Side 1 Open the right door Vertical Transfer Roller Driving Side ...

Page 25: ...2 Replacement and Adjustment 21 2 Remove the vertical transfer roller bracket A x 1 x 2 3 Remove the vertical transfer roller A x 2 bushings x 2 ...

Page 26: ... the paper tray Paper Tray 2 Remove the rear cover Rear Cover 3 Remove the tray lift motor M2 A x 3 x 1 Transport Motor M1 This procedure is common to the single paper feed unit and the double paper feed unit 1 Pull out the paper tray Paper Tray 2 Remove the rear cover Rear Cover 3 Open the right door Vertical Transfer Roller Driving Side 4 Remove the transport motor harness A x 10 x 1 5 Do the fo...

Page 27: ...move the transport motor M1 A x 2 x 1 Paper Feed Clutch CL1 This procedure is common to the single paper feed unit and the double paper feed unit 1 Remove the rear cover Rear Cover 2 Remove the right door switch bracket Right Door Switch SW1 3 Remove the gear cover A x 2 x 2 x 4 ...

Page 28: ...2 Replacement and Adjustment 24 4 Remove the gear A x 1 5 Remove the paper feed clutch CL1 A x 1 x 1 ...

Page 29: ...move the vertical transfer roller unit Vertical Transfer Roller Driving Side 2 Do the following 1 Remove the paper end feeler A x 2 2 Remove the paper end sensor S2 B x 2 x 1 Tray Lift Sensor S3 This procedure is common to the single paper feed unit and the double paper feed unit 1 Remove the vertical transfer roller unit Vertical Transfer Roller Driving Side 2 Remove the tray lift feeler A x 2 1 ...

Page 30: ...er feed sensor S1 A x 2 x 1 x 1 Tray Set Switch SW1 This procedure is common to the single paper feed unit and the double paper feed unit 1 Pull out the paper tray Paper Tray 2 Remove the rear cover Rear Cover 3 Pull out the tray set switch SW1 A from the front while releasing the hooks x 2 x 1 Right Door Switch SW1 This procedure is common to the single paper feed unit and the double paper feed u...

Page 31: ...the right door switch bracket A x 1 x 1 x 1 3 Remove the right door switch SW1 A x 2 Main Board PCB1 Single paper feed unit 1 Pull out the paper Tray Paper Tray 2 Remove the rear cover Rear Cover 3 Remove all connectors from the old main board ...

Page 32: ...Replacement and Adjustment 28 4 Remove the main board PCB1 A Double paper feed unit 1 Pull out the paper Tray Paper Tray 2 Remove the rear cover Rear Cover 3 Remove all connectors from the old main board ...

Page 33: ...2 Replacement and Adjustment 29 4 Remove the main board PCB1 A ...

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