2775 tso NTERNATIONAL STANDARD INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ·MEKIYHAPOIHA OPFAHH3ALIHA HIO CTAHIAPTH3ALIHH-ORGANISATION INTERNATIONALE DE NORMALISATION Office machines and printing machines used for information processing -- Widths of one-time paper or plastic printing ribbons and marking to indicate the end of the ribbons Machines de bureau et imprimantes employées en traitement de I'information - Largeurs des rubans en papier ou en plastique imprimant une fois et marque destinée a indiquer la fin des rubans Second edition - 1977-02-15 (3) Ref. No. ISO 2775-1977 (E) UDC 681.61.064.347 SO 2775-1977 Descriptors : data processing, office machines, data processing printers, printing ribbons, width. Price based on 1 page Copyright International Organization for Standardization Not for Resale FOREWORD of national standards institutes (IsO member bodies). The work of developing International Standards is carried out through ISO technical committees. Every member body interested in a subject for which a technical committee has been set up has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with IsO, also take part in the work. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as Internationa! Standards by the ISO Council. International Standard ISO 2775was developed byTechnical Committee ISO/TC 95, Office machines. This second edition was circulated to the member bodies in February 1975. It has been approved by the member bodies of the following countries : Bulgaria Italy Turkey Canada Japan United Kingdom Czechoslovakia Romania U.S.A. France South Africa, Rep. of U.S.S.R. Germany Spain Yugoslavia Iran Sweden No member body expressed disapproval of the document. This second edition cancels and replaces the first edition (i.e. ISO 2775-1973) @ International Organization for Standardization, 1977 : Printed in Switzerland Copyright Internatinal Organization for Standardization nited without license from IHS Not for Resale ISO 2775-1977 (E) INTERNATIONAL STANDARD Office machines and printing machines used for information processing -- Widths of one-time paper or plastic printing ribbons and marking to indicate the end of the ribbons 1 SCOPE AND FIELD OF APPLICATION 4 WIDTHS OF PRINTING RIBBONS This International Standard specifies the principal widths For current requirements, it is recommended that printing to be retained for narrow one-time paper or plastic printing ribbons of the following widths be used : ribbons (19 mm width and less) intended for office ma- mm in chines and printing machines used for information pro- cessing. 8.0 + 0.3 0.31 + 0.012 0 0 It also specifies the location of the marking indicating the approach of the end of the ribbons for office machines. 9,0 + 0,3 0.35 + 0.012 0 12,7 + 0,5 13,0 + 0,5 0.51 + 0.020 2 REFERENCE 0.020 14,3 + 0,5 0.56 + IS0 2257, Office machines and printing machines used for 0 information processing - Widths of fabric printing ribbons + 0,5 + 0.020 16,4 + 0.64 on spools. 0 0 NOTE If one-time paper or plastic printing ribbons are to be used on already existing fabric ribbon mechanisms, the widths and tolerances specified in ISO 2257 shall apply. 3 METHOD OF MEASURING WIDTH 5 MARKING OF THE RIBBONS Widths shalt be measured on the printing ribbon when it is ready for use, kept flat, not stretched, and on a flat 5.1 When and where possible in office machines, the support. marking shall be in such a position from the end of the ribbon as to allow the printing of a minimum of 500 and The measurement shall be carried out with the aid of any maximum of 800 further characters and shall be continuous appropriate instrument, at a minimum of five points or practically continuous to the end of the ribbon. distributed at random over the whole length of the ribbon; for ribbons longer than 10 m, carry out measurements every