Xerox 1235N Service Guide - Page 7
Service Tests and Adjustments, Cleaning and Maintenance, Resetting NVRAM, FRU Disassembly
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UPC - 042215474580
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Page 7 highlights
Service Tests and Adjustments 61 Diagnostics mode 61 Switch scan test 63 LED head test 68 Motor and clutch tests 69 Test printing 71 Consumable count initialization 73 Consumable counter display 75 Consumable continuation counter display 76 Adjusting color density and balance 77 Printing a Test Page 77 Interpreting the Color Balance test print 77 What to look for 78 Making adjustments 78 Adjustment recovery 79 Cleaning and Maintenance 81 Service preventive maintenance procedure 81 Recommended tools 82 Periodically replaced parts 82 Cleaning 83 Cleaning the LED bar 83 Cleaning the pickup roller 83 Resetting NVRAM 85 FRU Disassembly 87 Cabinet panels 87 Top cover 87 Left-side cover 88 Right-side cover 89 Rear cover 90 Front cover 91 Face-up tray 92 Frames components 93 Right shield plate 93 Electrical chassis (card cage) 94 Electrical chassis cooling fan 96 Printer unit chassis 97 Main cooling fan 99 Top cover inner frame 100 Left/right top cover spring assembly 103 Left paper tray guide assembly 104 Right paper tray guide assembly 106 Service Guide vii
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