4-14 MAC™ 3500 Resting ECG Analysis System Revision L
2021337-036
Troubleshooting: Diagnostic Tests
Trim Pad Control Test
Trim Pad Control
Use the following steps to verify operation of the trim pad control.
Press the center of the trim pad control and verify that the word IN is displayed
on the screen.
Press arrow keys to change the displayed arrow position. A beep sound is
generated with each arrow press.
Press Shift + F6 to exit the test.
Writer Test
The purpose of writer tests is to check the motor speed control, paper speed, paper
tracking, paper cueing, and print head quality.
During the tests, make the following general checks.
The first character printed should not be distorted.
The writer should not skew or crush either edge of the paper.
The large triangles and diagonal lines printed across the pages should be
strai
ght and uniform, without curves or wavering.
The perfs should align with the tear bar on the door after cueing.
The paper travel should be smooth.
The speed tests might indicate a mechanical problem. There is no adjustment
for the speed, but it
indicates that a pulley or gear is slipping.
C-Scan Test 1, C-Scan Test 2, C-Scan Test 3. These tests are for writer vendor
use onl
y.
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