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® ® ® A246/A247/A248 SERVICE MANUAL RICOH GROUP COMPANIES PN: RCSMA246 ® A246/A247/A248 SERVICE MANUAL RICOH GROUP COMPANIES ® ® A246/A247/A248 SERVICE MANUAL PN:RCSMA246 It is the reader's responsibility when discussing the information contained within this document to maintain a level of confidentiality that is in the best interest of Ricoh Corporation and its member companies. NO PART OF THIS DOCUMENT MAY BE REPRODUCED IN ANY FASHION AND DISTRIBUTED WITHOUT THE PRIOR PERMISSION OF RICOH CORPORATION. All product names, domain names or product illustrations, including desktop images, used in this document are trademarks, registered trademarks or the property of their respective companies. They are used throughout this book in an informational or editorial fashion only and for the benefit of such companies. No such use, or the use of any trade name, or web site is intended to convey endorsement or other affiliation with Ricoh products. 2000 RICOH Corporation. All rights reserved. WARNING The Service Manual contains information regarding service techniques, procedures, processes and spare parts of office equipment distributed by Ricoh Corporation. Users of this manual should be either service trained or certified by successfully completing a Ricoh Technical Training Program. Untrained and uncertified users utilizing information contained in this service manual to repair or modify Ricoh equipment risk personal injury, damage to property. or loss of warranty protection. Ricoh Corporation LEGEND PRODUCT CODE A246 A247 A248 COMPANY GESTETNER RICOH 2851 FT7950 2860 FT7960 2870 FT7970 SAVIN 2050 2060 2070 DOCUMENTATION HISTORY REV. NO. * DATE 12/98 COMMENTS Original Printing A246/A247/A248 and A175/A176/A177 Product Comparison Chart 1. THE FOLLOWING TABLE SHOWS THE MAJOR DIFFERENCES BETWEEN THE A246/A247/A248 AND A175/A176/A177 SERIES COPIERS. A175/A176/A177 After the last sheet of copy paper is stacked in the duplex tray, the next job will start. Remarks Refer to SM, pg. 2-113 for detailed information. No. Section/Item Duplex copy productivity A246/A247/A248 Duplex copy control has been revised. The duplex copy productivity has been increased in the simplex to duplex mode. Before the last sheet of copy paper is stacked in the duplex tray, the next job will start from the bottom stacked sheet in simplex to duplex mode. 1 Last sheet Last sheet Last sheet First duplex sheet First duplex sheet A246G507.WMF 2 Tandem LCT The tandem LCT (capacity: 1,550 x 2) is the 1st tray for easier paper replenishment. The tandem tray (capacity: 500 x 2) is the 1st Refer to SM, pg. 2-85/89 tray for (A176/A177/A191/A192 copiers). for detailed information. SM 1 A246/A247/A248 No. Section/Item Toner re-cycling system A175/A176/A177 Around 10% of toner is collected to the used toner collection bottle without transferring the toner to the copy paper. Remarks Refer to SM, pg. 2-31/35 for detailed information. 3 Transfer belt cleaning bias