Oki B721dn Maintenance Manual
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Also See for B721dn:
- Safety information manual (48 pages) ,
- Accessory installation manual (8 pages) ,
- Instructions manual (8 pages)
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Summary of Contents for Oki B721dn
- Page 1 B721dn/B731dn/MPS5501 Option-Tray Maintenance Manual 071513A ...
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Page 2: Copyright Information
Copyright Information Copyright © 2013 by Oki Data. All Rights Reserved Disclaimer Every effort has been made to ensure that the information in this document is complete, accurate, and up-to- date. The manufacturer assumes no responsibility for the results of errors beyond its control. The manufacturer also cannot guarantee that changes in software and equipment made by other manufacturers and referred to in this guide will not affect the applicability of the information in it. - Page 3 Oki Data assumes no responsibility to the damages caused or claimed to have been caused by the user as a result of repair, adjust- ment and/or change using this manual.
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Page 4: Replacement Of Parts
Oki Data CONFIDENTIAL REPLACEMENT OF PARTS This chapter describes the procedures of the field replacement of parts, assemblies and units. The procedures are to detach them. Reverse the procedures to attach them. The reference part numbers used in this manual (such as ) do not identical to the part numbers in the maintenance disassembly configuration diagram (45478901TL) and RSPL (45478901TR) for the manual. - Page 5 1. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 1.1 Notes for Replacing of Parts (2) Do not disassemble it if the printer works normally. (1) Prior to replacing a part, unplug the AC cord and the interface cable. (3) Disassemble it as required. Do not remove the part that is not shown in (a) Be sure to use the following procedure to unplug the AC cord: the replacement procedure.
- Page 6 1. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL Maintenance Tools: Screws in use: Table 1-1-1 shows the tools necessary to replace printed-circuit boards and units: Shape Designation Table 1-1-1: Maintenance Tools Screw(silver) Maintenance Tool Q'ty Remarks No. 2-200 3 to 5mm Screw(silver/8mm)
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Page 7: Parts Replacement Procedure
1. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 1.2 Parts Replacement procedure This Section contains the parts replacement for parts and assemblies. 1.2.1 Board-GOH-12 etc ③ ④ (1) Remove the Option Tray from the printer, and remove the cassette from ⑤ the Option Tray Unit. -
Page 8: Paper Feed Roller
1. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL while warping each latch. 1.2.2 Paper Feed Roller (2) Remove the rollers In the hopping jam occures frequently, to change the pickup roller and the separation roller. feed roller pickup roller (with gear) (without gear) ②... - Page 9 1. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (4) Set the new roller (without gear) to the shaft. ② Note! Check that the two rollers do not come off. (5) Return the cassette to the main body. 45478901TH Rev.1...