Power Requirements; Environmental Conditions; Reliability - NCR 7156 Owner's Manual

Appendix A: Specifications

Power Requirements

The 7156 printer receives power from a separate power supply. Here are the voltage
requirements for the power supply.
Voltage
24.0 V ± 10%

Environmental Conditions

Operating
Temperature
Operating Humidity
Condensation may occur when equipment is transferred from cold to
warm areas after shipment. The printer's design permits operation after
drying out and stabilizing at room temperature.

Reliability

The numbers in the table refer to the Mean Cycle Between Failure (MCBF) for the items
indicated.
Thermal Receipt
Printer
Impact Slip Printer
Impact Printhead
Electronics
Knife
MICR Check Reader
Ribbon Cassette
Power Supply
114
Station
Slip
Receipt
When connected with
a remote 2x20 pass-
through display.
5°C to 45°C (40°F to 112°F), models with knife
5°C to 50°C (40°F to 120°F), models with no knife
5% to 90%
36 Million Print Lines
15 Million Print Lines
200 Million Characters
240,000 Ontime Hours
1 Million Cuts
200,000 Reads
3 Million Characters
100,000 On-time Hours
September 1997
Maximum Current
Short Term Long Term
4.6 Amps 2.0 Amps
6.5 Amps 2.0 Amps
7156 Owner's Guide