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FO-3MK SERVICE MANUAL No. 00ZFO3MKCUSME FACSIMILE OPTION MEMORY UPGRADE PWB MODEL FO-3MK This machine is an option memory unit applicable to the machines FO-5700 (100V series). CONTENTS [1] General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 [2] Installation procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 [3] Diagnostic mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 [4] Circuit schematics and parts layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 [5] Parts guide Parts marked with " " is important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set. This document has been published to be used for after sales service only. The contents are subject to change without notice. SHARP CORPORATION 1-1 FO-3MK [1] General description This machine is an option memory unit applicable to the machines FO-5700 (100V series). It enhances the memory-aided functions such as sequential simultaneous sending and through-memory sub-stitute reception of facsimile. [3] Diagnostic mode Successively input "FUNK" + "9" + " " + "8" + "#" + "7". Then, R O M : F A B 0 ( is ROM version.) appears. After that, press the "START" key. Then, [2] Installation procedure (pay attention to static electricity) To install the option memory unit, check the following in advance. 1) Make sure that the remaining memory capacity is 0%. If the remaining memory capacity is not 0%, this implies that any data remains in the image memory on the control PWB. 2) Check that a sufficient quantity of paper exists. If there is no paper or paper is lacking, replenish the machine with paper, and print the data received and stored in the memory. 3) Then, check whether there is any confidentially received information, seeing the confidential reception data list ("FUNK" + "2" + "1" + "0"). If any confidentially received information is found, input the ID No. of specific reception box, and print the confidentially received information. 4) After that, check whether there is timer sending information, seeing the timer sending information list ("FUNK" + "2" + "0" + "2"). It is required to teach users that any timer sending information, if exists, is cleared after the option memory unit is installed and, accordingly, users have to set again the timer sending and do the timer sending. Install the option memory unit in the following procedure. 1) Remove the ROM cover of facsimile. 2) Insert two spacers to control PWB, and then connect it to the connector CNOP of control PWB. (Fig. 1) 3) Mount the control PWB to which the option memory has been connected in the machine. (Tighten the screws, and connect the connector without fail.) 4) Mount the ROM cover. 5) After installation turn on the power switch.