摘要:
Three primary color toner images are transferred successively onto a copy sheet from three photoconductive drums. The copy sheet is successively moved into engagement with the drums in register with the toner images by an endless belt. Various transfer charging means are provided to electrostatically adhere the copy sheet to the belt and counteract an adverse accumulation of charge on the copy sheet caused by accumulation of toner substance thereon during the three successive transfer operations.
摘要:
In a copying machine, a predetermined part of image data read out of an original by an original reader is extracted and is temporarily stored as variable data to be edited in a first memory, while fixed data necessary for forming documents from the original are stored in a second memory, and data read out of the memories and new data inputted additionally by a data generator are combined selectively under the control of a control system to form the documents.
摘要:
A laser beam printer having a scanner unit and a sheet transport apparatus for use with the scanner unit. The printer includes a sheet feeding part, a photosensitive medium, a transfer part and a scanner unit, the transfer part being provided at an upper portion of the photosensitive medium. The sheet transport apparatus includes an upper transport path for transporting a record sheet from the sheet feeding part to the transfer part of the printer. The sheet transport apparatus further includes a transport path which passes by a position where the scanner unit is provided, the position being adjacent to the upper transport path.