Revision B4-20
Troubleshooting: Diagnostic Tests
MAC 5000 resting ECG analysis system
2000657-002
Roller Test
(Uneven darkness can appear if AC power is on during this test.)
■ After cueing, printing should start at approximately 13–14 mm
on the page.
■ The pattern appears as diagonal light and dark wavy bands.
◆ Isolated light spots indicate a flat spot on the roller.
◆ A white line across the length of the page indicates a missing
print head dot.
◆ Dark lines across the width of the page indicate gear
tolerance problems.
◆ Lines too close together at the start of the test indicate an
incorrect start-up speed.
Test Pattern II
A combination of Test Pattern I and Roller tests. The first three pages
consist of a series of triangular waveforms and various hashmarks. The
fourth page is a partial roller test.
Test Pattern II Continuous
Test Pattern II runs continuously until stop is pressed.
Continuously Run Out Paper
This test is used in manufacturing to test how well the unit self-corrects
tracking problems.
Battery Tests
Battery Statu
s
Displays, and constantly updates, the following information:
■ Percent of charge remaining
■ Battery voltage
MD1322-013
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