Good quality photocopy of the original 3m 4550 Transparency Maker Service Manual. This service manual is for one of the newest models, but since all of the models are very similar, it can be used with even the older Thermo-Fax units.

This 50 page manual is printed on double sided 8-1/2"x11" heavy weight paper and comb bound with a card stock cover. This manual contains sections on features, specifications, safeguards, how to operate, how to maintain, troubleshooting, adjustments, schematic diagrams, wiring diagrams and a complete parts listing.

Please note: This manual is missing approximately 10 pages of the flow charts in the troubleshooting section. The original 3m manual which I have is missing those pages. Otherwise, the manual is complete. The flow charts are very seldom used and are not necessary when repairing one of these units.