Related Manuals for Ricoh PB1120
Summary of Contents for Ricoh PB1120
- Page 1 Paper Feed Unit PB1120/ PB1110 Machine Code: D3ER, D3EQ Field Service Manual Ver 1.0 Initial Release: February, 2019 (c) 2019 Ricoh Co.,Ltd.
- Page 3 Symbols and Abbreviations This manual uses several symbols. Symbol What it means Screw Connector Clip ring Clamp Short Edge Feed Long Edge Feed [A] Short Edge Feed (SEF) [B] Long Edge Feed (LEF)
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Page 5: Table Of Contents
Table of Contents Detailed Descriptions .......................... 2 Overview ..............................2 Mechanical Components ........................2 Paper Feed Operation ..........................3 Tray Paper Detection ..........................5 Side-to-side Registration Adjustment in the Optional Paper Tray ............7 Replacement and Adjustment ......................8 Right Cover ............................. 8 Controller Board (PCB1)........................ -
Page 6: Detailed Descriptions
1.Detailed Descriptions 1. Detailed Descriptions Overview Mechanical Components Item Item Controller board (PCB1) Paper end sensor (S1) Bank cooling fan (FAN1) Paper transport roller Bank drive motor (M1) Friction roller Paper transport clutch (CL2) Paper transport sensor (S3) Paper feed clutch (CL1) Paper feed roller Paper size switch (SW1) Paper near-end sensor (S2) -
Page 7: Paper Feed Operation
1.Detailed Descriptions Paper Feed Operation Paper Feeding The paper feed tray of the main machine employs the RF (Roller Friction) method for paper separation. The RF mechanism comprises a separation roller with a torque limiter attached that forces paper separation (no reverse drive is used). A paper feed signal switches on the paper feed clutch (CL1) [A] and starts rotating the paper feed roller [B] which feeds the paper. - Page 8 1.Detailed Descriptions Bottom Plate Lift Mechanism When a paper tray is set in the machine, a catch on the frame of the machine snags the bottom plate lock lever [A] and releases it. When the lock is released, a spring raises the bottom plate [B] and paper stack to the feed roller.
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Page 9: Tray Paper Detection
1.Detailed Descriptions Tray Paper Detection Paper End/ Paper Near End Detection When the tray runs out of paper, one end of the paper end feeler [A] drops through the cut out on the bottom plate into the gap while the other end of the feeler pops up into the paper end sensor (S1) [B] and turns it off. - Page 10 1.Detailed Descriptions Value SW 1 SW 2 SW 3 Paper size A4 SEF A5 SEF A6 SEF Legal SEF Letter SEF Half letter SEF Paper cassette is not set. L: Switch is pressed...
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Page 11: Side-To-Side Registration Adjustment In The Optional Paper Tray
1.Detailed Descriptions Side-to-side Registration Adjustment in the Optional Paper Tray To adjust side-to-side registration, loosen the two screws on the underside of the tray and move the rack and pinion mechanism of the side guides from side to side. The holder [A] can move to right or left (up to 2mm). When at the default (±0) position, the holder position is the triangle marked area. -
Page 12: Replacement And Adjustment
2.Replacement and Adjustment 2. Replacement and Adjustment The parts and components of the Paper Feed Unit PB1120 (500 sheets) and Paper Feed Unit PB1110 (250 sheets) are the same. The replacement procedures described below apply to both units. Right Cover The right cover can be removed with the main machine mounted on the paper feed unit. - Page 13 2.Replacement and Adjustment...
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Page 14: Controller Board (Pcb1)
2.Replacement and Adjustment Controller Board (PCB1) Remove the right cover. (Right Cover) Remove the controller board (PCB1) [A]. -
Page 15: Bank Drive Motor (M1)
2.Replacement and Adjustment Bank Drive Motor (M1) Remove the right cover. (Right Cover) Remove the bank drive motor (M1) [A]. -
Page 16: Bank Cooling Fan (Fan1)
2.Replacement and Adjustment Bank Cooling Fan (FAN1) Remove the right cover. (Right Cover) Remove the bank cooling fan (FAN1) [A] with the bracket. Remove the bank cooling fan (FAN1) [A] from the bracket. -
Page 17: Paper Size Switch (Sw1)
2.Replacement and Adjustment Paper Size Switch (SW1) Remove the right cover. (Right Cover) Remove the paper size switch (SW1) [A] with its bracket. Deattach the paper size switch (SW1) [A] from the bracket. Release the two hooks to to remove the paper size switch (SW1) [A]. -
Page 18: Paper Feed Clutch (Cl1), Paper Transport Clutch (Cl2)
2.Replacement and Adjustment Paper Feed Clutch (CL1), Paper Transport Clutch (CL2) Remove the right cover. (Right Cover) Remove the paper size switch (SW1). (Paper Size Switch (SW1)) Release the clip to remove the bearing [B], and then remove the bracket [A]. Remove the paper feed clutch (CL1) [A]. - Page 19 2.Replacement and Adjustment...
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Page 20: Paper End Sensor (S1)
2.Replacement and Adjustment Paper End Sensor (S1) Remove the main machine from the paper feed unit. Remove the paper cassette. Remove the top cover [A]. Remove the paper end sensor (S1) [A]. -
Page 21: Paper Near-End Sensor (S2), Paper Transport Sensor (S3)
2.Replacement and Adjustment Paper Near-end Sensor (S2), Paper Transport Sensor (S3) Remove the main machine from the paper feed unit. Remove the paper cassette. Remove the top cover [A]. Remove the bracket [A]. Remove the paper near-end sensor (S2) [B]. Remove the paper transport sensor (S3) [C]. -
Page 22: Paper Feed Roller
2.Replacement and Adjustment Paper Feed Roller Before replacing the paper feed roller, reset the PM counter. Turn the power ON and enter the SP mode. Execute the following SP corresponding to the part to be replaced to reset the PM counter. - SP7-804-051 (Rset PM Counter: Feed Bank1) - SP7-804-053 (Rset PM Counter: Feed Bank2) - SP7-804-055 (Rset PM Counter: Feed Bank3) -
Page 23: Separation Roller
2.Replacement and Adjustment Separation Roller Before replacing the separation roller, reset the PM counter. Turn the power ON and enter the SP mode. Execute the following SP corresponding to the part to be replaced to reset the PM counter. - SP7-804-052 (Rset PM Counter: Spr. Bank1) - SP7-804-054 (Rset PM Counter: Spr.