some cases, the printer may have to engage brake frequently waiting for next command resulting in trembling. When this switch is set to OFF, the printer starts printing only when more graphical data from Windows driver are collected thus performing a much smoother printing operation.

Switch position 2 is usually set to OFF for use with 80 mm paper width. When the printer is installed with the 58 mm paper spacing plate for use with the paper roll of 58 mm width, the switch should be set to ON.

Switch position 3 is usually set to OFF for ESC/POS command application that prints at 512 dots / line. Only technical users shall set this switch to ON and make the printer work in the 576 dots / line format.

The switch position is recommended to set to ON when the optional spill protect cover is used. In this way, the printer performs an automatic paper cut each time the top hood is closed (e.g. after paper roll loading) with the printer in operating condition. However, when there is no spill protect cover, it is recommended to set to OFF and the manual cutter can be engaged whenever necessary.

MULTIPLE INTERFACE ISSUE

For model PP-8000, there are 2 connectors for host connection through RS232 or parallel. For PP-8000U, there are 3 connector for host connection: RS232 and parallel in addition to the USB port. Please always connect only one interface at a time. Simultaneous multiple host connections could result in unexpected results!

UPOS CONCERNS

The UPOS compliance and WEPOS compliance ability of the PP-8000 series dictates the printer to perform certain internal affairs such as counter refreshment periodically. When the printer is engaged in such operations there will be a brief period of time that the printer is busy without externally apprehensible cause. In other words, the printer will lit the ERROR LED briefly once in a while even when no external communication is in process and that is definitely normal.

Part 19

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POSIFLEX Business Machines PP-8000U, PP-8000L warranty Multiple Interface Issue, Upos Concerns