Item is sealed with gold colored seal.

Original SAMS ComputerFacts technical service manual for the C. Itoh Model 1550BCD printer. This manual includes detailed service data such as schematics, component layouts, troubleshooting information, logic charts, and parts reference material intended for technicians and electronics repair professionals.

This is a physical vintage manual, not a reprint or digital copy. Condition shows wear consistent with age, including edge wear, spine stress, and handling marks (see photos). Binding is intact.

Item is sold untested and as-is. No guarantee of completeness beyond what is visible in the photos. A great reference piece for vintage computing enthusiasts, collectors, or repair technicians working with classic dot matrix printers.