IBM May 1975, approx. 150 pages and 30 pages, diagrams, schematics.
Condition: Very Good, two manuals, 8.5x11, green cardstock covers and Parts Catalog purple cardstock covers; in a black IBM Field Engineering vinyl binder. Pages clean and unmarked.
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Item DescriptionContents include Sections on, Checks, Adjustments, Removals and Replacements; Preventive Maintencance; Principles of Operation (printer status and error conditions, ready signal, wire check signal, print wire timing, stepper motor timings etc); 400 Printer; 4100 Platen; 4200 Forms tractor unit; 4300 Form feed mechanism; 4600 power supply; 4700 Carrier; and more
Parts Catalog includes How to use a parts catalog; Visual Indexes -- ASM, cable and jumper component parts, frame ASM, Carrier ASM, etc; Also, numerical index.