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3.7. Printer
The E4000 printer is an Epson TM-U295 single feed style dot-
matrix printer which uses a standard 4-1/8” wide truck meter
delivery ticket , Neptune or Veeder Root. The printer is intended
for internal use only and should be mounted in the cab of the
truck. A data cable is supplied with the printer kit. The printer
power cable comes with the Junction Box. The junction box steps
up truck voltage from 12V to 24V to power the printer. The E4000
can also be used with a Blaster printer or an EPSON TM-U220D
roll printer.
3.8 Mobile Computer
The E4000 has been specically designed to operate with a mobile
computer such as a laptop, hand-held or PDA. The computer plugs
directly into the 9-pin RS-232 serial connector on the junction box that is
not occupied by the printer.
There are two modes of operation with an external computer:
1. The computer is running the E4000 Conguration Program and is temporarily connected to the junction
box to change non metrological parameters and update stand alone pricing.
2. The computer has fuel delivery application software running and carries customer account information
required by the driver during a shift. The computer interacts digitally with the E4000, extracts volume data
and uses this to calculate the customer invoice and update the account records. The mobile computer
updates the company database when returned to the ofce at the end of the shift.
Figure 3-8. Printer
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