| 摘要 |
A printing system comprises: (x1) a source of A data and B data to be separately printed; a first printer connected with that source to receive the A data for printing it on a first sheet, such as an envelope, and to pass the B data; and a second printer connected with the data source via the first printer, and to print the B data on a second sheet, such as a letter, the first printer including: (a) a feed plate adjacent which the first sheet is fed in a longitudinal feed direction, (b) a print head for printing the A data on the first sheet, (c) a first drive at one longitudinal side of the print head, and a second drive at the opposite longitudinal side of the print head, the drives adapted to move the first sheet longitudinally forwardly, and then longitudinally reversely, to enable the print head to print on relatively spaced zones on the sheet.
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