Related Manuals for Ricoh DU5050
Summary of Contents for Ricoh DU5050
- Page 1 Decurl Unit DU5050 Machine Code:D3DR Field Service Manual Ver 1.0 Latest Release: Nov, 2016 Initial Release: Nov, 2016 Copyright (c) 2016 Ricoh Co.,Ltd.
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Page 3: Table Of Contents
Table of Contents Replacement and Adjustment ............................2 Decurler Unit and Electrical Components ..........................2 Decurl Unit ..................................2 DDRB ....................................5 Decurl Unit Motor ................................6 Decurl Unit Fan .................................. 7 Decurl Feed Motor ................................8 Decurl Unit HP and Limit Sensor ............................. 10 Detailed Descriptions .............................. -
Page 4: Replacement And Adjustment
1.Replacement and Adjustment 1. Replacement and Adjustment Decurler Unit and Electrical Components Decurl Unit Removal Procedure • Most parts in the decurl unit have been precisely adjusted at the factory. Do not remove the parts for which replacement procedures are not mentioned in this manual. Otherwise, adjustment for the decurl unit requires special tools. - Page 5 1.Replacement and Adjustment Remove the lower bracket ( x2). Remove the decurl unit ( x4). Maintenance Position Lay the Decurl Unit [A] on temporary supports [B]. • The entrance guide of the decurl unit must not touch the floor or any object. Otherwise, the mylars on the entrance gate may be bent or folded.
- Page 6 1.Replacement and Adjustment supports. SP Settings After Installing a New Decurl Unit Switch on the machine and enter the SP mode. Refer to the accessory sheet and enter the settings for SP1927 and SP1928. Exit SP mode and turn off the main machine.
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Page 7: Ddrb
1.Replacement and Adjustment DDRB Remove the left cover of the machine ( x7). Disconnect the DDRB ( x4). Remove the DDRB ( x4). -
Page 8: Decurl Unit Motor
1.Replacement and Adjustment Decurl Unit Motor Remove the decurl unit (Decurl Unit) Remove the decurl unit cover bracket ( Disconnect the fan bracket [A] and free the harness so that you can move it to access the motor ( x3). Disconnect the connector and remove the belt ( x1). -
Page 9: Decurl Unit Fan
1.Replacement and Adjustment Remove the motor bracket (with motor attached) ( x2). Separate the motor and bracket ( x2). Decurl Unit Fan Remove the decurl unit. (Decurl Unit) Remove the decurl unit cover bracket (... -
Page 10: Decurl Feed Motor
1.Replacement and Adjustment Disconnect the fan harness ( x2, x1). Remove the fan bracket [A] (with fan attached) ( x1). Separate the fan [B] and bracket ( x2). Decurl Feed Motor Remove the decurl unit. (Decurl Unit) Remove the decurl unit cover bracket (... - Page 11 1.Replacement and Adjustment Disconnect the fan bracket [A] and free the harness so that you can move it to access the motor ( x2). Disconnect the motor harness ( x1). At the rear side of the unit [A], disconnect the motor ( x2).
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Page 12: Decurl Unit Hp And Limit Sensor
1.Replacement and Adjustment Remove the motor. Decurl Unit HP and Limit Sensor Remove the decurl unit. (Decurl Unit) Remove the decurl unit cover bracket ( Remove the right spring [A] ( x1). Remove the cover bracket [B] ( x5). Remove the sensor bracket (with sensors attached) ( x3, x2). - Page 13 1.Replacement and Adjustment Decurl unit HP sensor Decurl unit limit sensor...
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Page 14: Detailed Descriptions
2.Detailed Descriptions 2. Detailed Descriptions Detailed Descriptions Specifications Dimensions (w 71 mm x 509 mm x 181 mm x d x h) 2.8 x 20 x 7 in. Weight 5 kg (11 lb.) Power source DC 5V, DC 24V (Supplied from the main machine) Power DC 5V, DC 24V consumption... -
Page 15: Decurl Unit Movement
2.Detailed Descriptions Tray T1, T2, T3, T4 (Vacuum Feed LCIT). The decurl unit settings are as follows. User Setting Decurl Path Decurl Roller Nip Front curl correction (weak) Lower path 1.5 mm Front curl correction (strong) Lower path 1.8 mm Normal (decurl not selected) Upper path 0.3 mm... - Page 16 2.Detailed Descriptions The up and down movement of the decurl unit is controlled by two sensors. • Before a print job, the decurl unit HP sensor [1] detects the home position of the decurl unit. • To correct front curl (concave) , the unit is raised [A] the distance specified by the user. If the decurl unit limit sensor [2] detects the bottom actuator, this triggers the over limit error (SC582).