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等级: 六袋长老
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BSD on:CH3.1A CH3.4A Description A communication failure between the UI PWB and the IOT PWB was detected. Procedure Remove the R/H Cover and the Rear Cover. Does CR10 on the IOT CPU PWB light up? Yes No Check the +5VDC circuit to the IOT CPU PWB J400-1 by referring to Chapter 7 Wiring Data. (7.3.8 +5VDC-2) Shift the UI Panel Assembly. Is +5VDC measured between the UI PWB J490-2 (+) and GND (-)? Yes No Check the +5VDC circuit to the UI PWB J490-2 by referring to Chapter 7 Wiring Data. (7.3.7 +5VDC-1) Turn OFF the power. Check conductivity of the following: Between the IOT CPU PWB J404-B14 and the UI PWB J490-10 Between the IOT CPU PWB J404-B13 and the UI PWB J490-11 Between the IOT CPU PWB J404-B16 and the UI PWB J490-12 Between the IOT CPU PWB J404-B15 and the UI PWB J490-13 Is the resistance 1Ohm or less for all wires? Yes No Check wires with more than 1Ohm for an open circuit or poor contact. Replace the UI PWB (PL 9.5) followed by the IOT CPU PWB (PL 9.2). |
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等级: 六袋长老
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右列会员因为此帖价值甚高向 balenofeng 表示感谢: |
xoyo888888 (2013-07-05)
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等级: 二袋长老
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今天在朋友那里找了根USB转R232的数据线,捣估一天了,有朋友提示说要把COM端口改成1(在此谢谢这位朋友),现在的提示是: 现在就卡在这里了,系统还是进不去,不知道怎么办了,是我的数据线太次了吗?这个对数据线的质量有要求吗? 电脑端进入PC-Diag 2000的同时,1256复印机端不用进入维修模式吧?如果需要进入,那我的机器非得OVER了(复印机端的操作面板已经被我屏蔽了),请高手给指点指点吧。 此帖于 2013-07-07 00:10 被 xoyo888888 编辑. 原因: 补充内容。 |
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正式会员
等级: 二袋长老
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右列会员因为此帖价值甚高向 Defiance 表示感谢: |
xoyo888888 (2013-07-07)
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