Related Manuals for Ricoh BY5020
Summary of Contents for Ricoh BY5020
- Page 1 Multi Bypass Tray BY5020 Machine Code: D3EV Field Service Manual Ver 1.0 Latest Release: Feb, 2018 Initial Release: Feb, 2018 (c) 2018 Ricoh Co.,Ltd.
- Page 3 Symbols, Abbreviations This manual uses several symbols and abbreviations. The meaning of those symbols and abbreviations are as follows: Symbol What it means Clip ring Screw Connector Clamp E-ring Flat Flexible Cable Timing Belt Short Edge Feed Long Edge Feed Black Cyan Magenta...
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Page 5: Table Of Contents
Table of Contents Replacement and Adjustment ......................3 Common Procedures ..........................3 Opening the Bypass Tray ........................3 Covers ..............................3 Feed Tray ............................6 Motors ..............................9 Paper Feed Motor, Paper Transport Motor ..................9 Lift Motor ............................10 Cooling Fan for Transport Motor ...................... -
Page 7: Replacement And Adjustment
1.Replacement and Adjustment 1. Replacement and Adjustment Common Procedures Opening the Bypass Tray This Multi-Bypass Tray can be installed on the vacuum feed LCIT RT5120. The procedures in this manual apply to the Multi Bypass Tray, regardless of which unit it is used with. - Page 8 1.Replacement and Adjustment Remove the right front cover [1] ( Left Front Cover Remove the right front cover. Disconnect the right side [1] ( x1). Disconnect the left side [2] ( x1). You need a short screwdriver to remove this screw. Remove the cover.
- Page 9 1.Replacement and Adjustment Rear Cover Disconnect the rear cover. [1] Covered screw ( [2] Rear screw ( [3] Well screw ( Remove the cover. Top Cover Remove the front covers, and the rear cover. (See previous sections). At the front, remove the screw cover and the screw under the cover, and then remove the front...
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Page 10: Feed Tray
1.Replacement and Adjustment screw ( x2). At the rear, disconnect the top cover and remove it ( x1). Feed Tray Remove all the covers. (Right Front Cover, Left Front Cover, Rear Cover, Cover) - Page 11 1.Replacement and Adjustment Disconnect the ground wire and open the clamps . Disconnect the harnesses. At the front, disconnect hinge plate [1] and swing the hinge plate to the right ( x1). At the rear, disconnect hinge plate [2] ( x1).
- Page 12 1.Replacement and Adjustment...
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Page 13: Motors
1.Replacement and Adjustment Motors Paper Feed Motor, Paper Transport Motor Paper Feed Motor [A] and Paper Transport Motor [B] Location Remove the rear cover. (Rear Cover) Remove the paper feed motor [A]. Remove the transport motor [A]. -
Page 14: Lift Motor
1.Replacement and Adjustment Lift Motor Remove the rear cover (Rear Cover) Remove the paper feed motor. (Paper Feed Motor, Paper Transport Motor) Remove the motor with its bracket [A]. To facilitate the removal, depress the coupling [A] of the motor to let it come off the shaft. But be careful, because the tray can suddenly drop due to coming off the shaft. -
Page 15: Cooling Fan For Transport Motor
1.Replacement and Adjustment Separate the motor and bracket ( x2). Cooling Fan for Transport Motor Remove the rear cover. (Rear Cover) Disconnect the connector of the fan [A], and then remove the screw to detach the fan with its bracket. Remove the fan. -
Page 16: Cooling Fan For Paper Feed Motor
1.Replacement and Adjustment Cooling Fan for Paper Feed Motor Disconnect the connector of the fan [A], and then remove the screws to detach the fan with its bracket. Detach the fan from the bracket. Relay Motor Remove the cover [A] ( x2). - Page 17 1.Replacement and Adjustment Open the clamps to free the harness. Remove the bracket [A] Remove the motor [A] with its bracket.
- Page 18 1.Replacement and Adjustment Separate the motor and bracket. Re-installation When you re-install the harness: Work carefully so it does not get pinched. Make sure the permanent bands are positioned at the clamps as shown in the photo.
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Page 19: Sensors
1.Replacement and Adjustment Sensors Paper Feed Sensor Remove the front, rear, and top covers. (Right Front Cover, Left Front Cover, Rear Cover, Cover) Disconnect the sensor bracket [1] ( x1). Remove the sensor [2] ( x3). Lift Sensors Remove the front, rear, and top covers. (Right Front Cover, Left Front... -
Page 20: Paper Length Sensor
1.Replacement and Adjustment Release tab [1] and remove the sensor cover [2] ( x1). Turn over the sensor cover [1]. Remove the sensor [2] ( x1). Paper Length Sensor Remove the feed tray (Feed Tray) Turn the feed tray upside down and lay it on a flat surface. Release the hook. -
Page 21: Paper Width Sensor
1.Replacement and Adjustment Remove the sensor [2] ( Paper Width Sensor Remove the feed tray. Feed Tray Turn the feed tray upside down and lay it on a flat surface. Disconnect the sensor plate [1] ( x1). Remove the sensor plate ( x3). Disconnect the sensor cover [1] ( x2). -
Page 22: Paper Height Sensors 1, 2, Tray Lower Limit Sensor
1.Replacement and Adjustment Turn the sensor cover over [2] and remove the sensor harness from the cover. Paper Height Sensors 1, 2, Tray Lower Limit Sensor Remove all the covers. (Right Front Cover, Left Front Cover, Rear Cover, Cover) Paper height sensors 1 and 2, and the tray lower limit sensor are mounted on the frame. ... - Page 23 1.Replacement and Adjustment Disconnect the top cover [2] at the front ( x2). Disconnect the top cover [1] at the rear ( x2). Remove the top cover [2]. Remove the sensor bracket [1] ( x1). Remove the sensor [2] ( x1, x1).
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Page 24: Rollers
1.Replacement and Adjustment Rollers Overview The bypass feed rollers can be accessed from the top of the LCIT. Roller Removal The rollers are behind the snap-off cover. Pull off cover [A]. - Page 25 1.Replacement and Adjustment Remove screw [B]. Remove plate [A]. Remove screw [B]. Push the sensor positioning plate to the left. If this plate is not pushed to the left, you will not be able to remove the feed roller. Remove: [A] Pick-up roller snap ring and roller.
- Page 26 1.Replacement and Adjustment Remove the separation snap ring and roller [A]. After installing new rollers, turn on the machine and wait for it to warm up. 10. Re-set the PM Counts for the replaced rollers.
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Page 27: Switch, Solenoid, Pcb
1.Replacement and Adjustment Switch, Solenoid, PCB Tray Lift Switch Remove the front covers. (Right Front Cover, Left Front Cover) Remove the switch [A]. Pickup Solenoid Remove all the covers. (Right Front Cover, Left Front Cover, Rear Cover, Cover) Disconnect the solenoid [1] (x1). -
Page 28: Bypass Tray Pcb
1.Replacement and Adjustment Remove the solenoid. Re-installation When re-installing the solenoid, make sure that the arm of the solenoid is positioned above and in contact with the plate of the pick-up roller shaft below. To confirm correct installation, manually move the solenoid plunger to the left and right. When the solenoid plunger is moved, the pick-up roller should move up and down smoothly. - Page 29 1.Replacement and Adjustment...
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Page 30: Detailed Descriptions
2.Detailed Descriptions 2. Detailed Descriptions Overview Specifications Item Specification Configuration Mounted on top of the LCT Tray Single tray with extension Tray capacity 550 sheets (Normal Paper) Paper size A3 SEF, A4 LEF SEF, A5 LEF SEF, A6 SEF, B4 SEF, SEF, B6 SEF, 11"×17” SEF, 81/2"×14”... -
Page 31: Mechanical Component Layout
2.Detailed Descriptions Mechanical Component Layout Name Name Transport Roller 2 Paper Height Sensor 1 Transport Roller 1 Paper Height Sensor 2 Relay Sensor Paper Length Sensor Grip Roller Paper Width Sensor Pick-up Solenoid Tray Lift Motor Tray Upper Limit Sensor 1, 2 Paper End Sensor Feed Roller Separation Roller... -
Page 32: Electrical Components
2.Detailed Descriptions Name Name Feed Motor Electrical Components Item Details Item Details Tray Upper Limit Sensor 1 Paper Height Sensor 2 Tray Upper Limit Sensor 2 Tray Lower Limit Sensor Relay Motor Paper Length Sensor Pick-up Solenoid Paper Width Switch Transport Motor Paper End Sensor Paper Feed Motor... - Page 33 2.Detailed Descriptions Electrical Component Summary Motor Name Description Feed Motor Drives the paper feed roller in the feed mechanism. Lift Motor Raises and lowers the bottom plate below the paper stack. Relay Motor Drives the relay rollers that feed the paper from the bypass tray into the feed path of the LCT below.
- Page 34 2.Detailed Descriptions Name Description Relay Detects jams in the paper path after paper is fed from the feed roller. Sensor Solenoids Name Description SOL1 Pick-up Solenoid Controls up-down movement of the pick-up roller in the bypass tray. Switches Name Description SW1 Tray Lift Switches the tray lift motor on and off to raise and lower the bottom plate of the Switch...
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Page 35: Mechanisms
2.Detailed Descriptions Mechanisms Tray Lift When the tray lift switch is pressed, the lift motor [A] switches on and pushes the lift plate [B] against the bottom of the feed tray until the top of the stack is at the correct feed position. If there is paper in the bypass tray when the main machine has just been switched on, the lift motor will turn on and lift the stack to the feed position. -
Page 36: Paper Feed
2.Detailed Descriptions Paper Feed The bypass tray can hold 500 sheets of standard weight paper. The bypass tray uses the standard FRR (Feed and Reverse Roller) feed system. When the job starts, the feed motor [A] switches on and rotates the pick-up roller [B]. At the same time, the pick-up solenoid [not shown] switches on and lowers the pick-up roller. -
Page 37: Paper Size Detection
2.Detailed Descriptions Paper Size Detection The side fences [1] can be adjusted to standard and non-standard paper sizes. Paper size is measured with the paper width switch [3] and the paper length sensor [4]. When the side fences are moved to match the paper width, five feelers inside the paper width switch [3] slide along the wiring patterns on the paper width switch terminal plate. - Page 38 2.Detailed Descriptions Paper Size Paper Width Switch Length Sensor Area 11" × 17" 11" × 8 1/2" 257 × 364 mm 257 × 182 mm 210 × 297 mm 8 1/2" × 11" 210 × 148 mm 81/2" × 51/2" 182 ×...