Appendix C: Line Speeds and Print Quality
MP65492–1 189 Linx 4900 Operating Manual
Appendix C: Line
Speeds and Print
Quality
This appendix shows you how to determine the ideal speed to obtain
optimized print quality.
C.1 Introduction
Using the correct line speed ensures optimum print performance on both
fixed speed production lines and for lines with a shaft encoder.
The speed at which the product passes the printhead affects print quality.
Ideal line speeds vary according to the printhead in use and the selected
message type. Line speeds can be calculated using product pitch and
product frequency.
NOTE: You must determine the correct line speed for your production
line and configure the Message Parameters and Line Settings
using the SETUP menu before you start printing. See Chapter 5,
‘Changing the System Setup’ for details.
Printing at Speeds Below Recommended Maximum
When using a shaft encoder to determine print positioning, printing at
speeds below the recommended maximum will not affect print quality.
On lines not using a shaft encoder, printing at speeds below the speed set in
the Print Width option will compress the appearance of the printed
message.
Printing at Speeds in Excess of the Recommended
Maximum
Printing at speeds in excess of the recommended maximum will stretch the
appearance of the printed message. This applies irrespective of whether a
shaft encoder is being used or not.
4900 Op Manual.book Page 189 Tuesday, September 9, 2003 12:32 PM
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