Oki ML421 Maintenance Manual - Page 49

of the sheet, without causing the sheet to crumple or curl up.

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Oki Data CONFIDENTIAL (4) Top line print mechanism (See Figure 2-15.) The front edge of the sheet is protected by the ribbon protector so that it can stop at a position just near to the print head (0 tear off position) to start printing at the front end of the sheet, without causing the sheet to crumple or curl up. The printing starts at the front end of the sheet, and continues uni-directionally until the front end of the sheet gets to the inside of the pull up roller cover. After that, that printing continues bi-directionally. Platen Ribbon protector Printhead Carriage frame assembly Figure 2-15 42113901 Rev.2 49 /

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42113901
Rev.2
49 /
Oki
Data
CONFIDENTIAL
Figure 2-15
Printhead
Carriage frame assembly
Platen
Ribbon protector
(4)
Top line print mechanism (See Figure 2-15.)
The front edge of the sheet is protected by the ribbon protector so that it can stop at a
position just near to the print head (0 tear off position) to start printing at the front end
of the sheet, without causing the sheet to crumple or curl up.
The printing starts at the front end of the sheet, and continues uni-directionally until the
front end of the sheet gets to the inside of the pull up roller cover.
After that, that printing continues bi-directionally.