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5.6 TROUBLESHOOTING
5.6.1 Basic Troubleshooting Procedure 38
5.6.2 No Display 38
5.6.3 Defective Keypad 38
5.6.4 Defective Sensor 39
5.6.5 No Document Motion 39
5.6.6 No Carriage Motion 40
5.6.7 No Print or Light Print 40
5.6.8 Print Quality 40
5.6.9 Missing Dots 41
5.6.10 Erratic Document Feed or Mispositioning 41
5.6.11 Erratic Character Spacing or False Document Jams 41
5.6.12 Interface Inoperative 41
5.6.13 Diagnostic Flowchart 42
5.7 RECOMMENDED SPARE PARTS 43
5.8 RECOMMENDED SERVICE TOOLS 43
6.0 MAJOR ASSEMBLY ILLUSTRATIONS & PARTS LISTS
Printer Diagram 44
Major Assembly Tree 45
73802 Carriage 46
73804 Box 47
73806 Carriage Drive 49
73809 Lower Drive 50
73810 Document Drive 51
73815 Keypad/Display 52
73816 Electromechanical 53
73819 Printer 54
72135 Main PCB (including 72133 keypad and schematics) 55