CONTENTS
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Overview of the Service Port .................................................................................................................. 11
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Installing and Booting Up HyperTerminal ............................................................................................. 12
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POST (Power On Self Test) ..................................................................................................................... 15
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Memory Test .............................................................................................................................................18
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Service DOS .............................................................................................................................................19
4 Troubleshooting
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Troubleshooting the Printing System .................................................................................. 1
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Troubleshooting of the print controller and 7022/7130/7135 copiers ................................................... 1
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List of Warning (error) codes ............................................................................................... 3
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Troubleshooting Network Hardware .................................................................................... 4
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LED Status Indicator .................................................................................................................................. 4
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Resetting the network controller to Factory Default .............................................................................. 5
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NIC Status Page (NIC Config.) .................................................................................................................. 6
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How to Diagnose Problems ...................................................................................................................... 7
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Basic Printer Checklist .............................................................................................................................. 8
Appendix
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Analyzing Problems with Captured Data ............................................................................. 1
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Starting Capture ......................................................................................................................................... 2
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Capturing Files ........................................................................................................................................... 4
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Using Captured Files to Analyze Problems ............................................................................................. 6
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Components on the System Board ...................................................................................... 7
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Parts Side ................................................................................................................................................... 7
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Pattern side ................................................................................................................................................ 8
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Components on the Printer I/F Board (IP-423) .................................................................... 9
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Parts Side ................................................................................................................................................... 9
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Pattern Side ................................................................................................................................................ 9
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Initializing the (field optional) Hard Disk ............................................................................. 9