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Problem Resolution
Test Menu: This menu allows access to the following separately selectable tests:
Printer Motor Test: Remove any paper from the input tray before selecting this test. The paper pick
mechanics are tested continuously until the Stop button is pressed. The front
cover and access door may be opened after the test has started, to allow the test
components to be viewed during the test. Components tested include:
1. Printer stepper motor
2. Carriage Actuated lever
3. Engagement clutch
Scanner Motor Test: The automatic document feed mechanism of the scanner is tested continuously.
until the Stop button is pressed. The front cover may be opened after the test
has started to allow viewing of the following tested components:
1. Scanner stepper motor
2. Transmission gears/clutch
3. Pick roller
4. Drive roller
5. Kickout roller
Sensor Test: Allows manual testing of the five optical and mechanical sensors. A five-digit
binary word is displayed on the front panel. Each digit is assigned to a specific
sensor and will toggle from “0” to “1” when the sensor is activated. A “0” is
displayed when the sensor in inactive and a “1” displayed when the sensor is
activated. The front cover may be opened after the test has started to allow
access to some sensors. Pressing the Stop button will exit the test.
In order, from left to right, the digits are assigned to the sensors indicated below:
1. Front panel cover open sensor (micro switch)
2. Print mechanism paper sensor
3. Input tray paper sensor
4. Scanner document present sensor
5. Scanner end of document sensor
Front Panel Test: A 2- by 14- digit binary array is displayed on the front panel display. Each
binary digit is assigned to a particular front panel button. As each button is
pressed, the assigned digit will toggle from “0” to “1” and from “1” to “0” when
pressed again. Pressing the Stop button will exit the test.
Scanner Light Test: Lights all segments of the scanner bar LED. The front cover may be opened after
the test has started to allow viewing of the LED bar during testing. Pressing the
Stop button will exit the test.
Transmission Test: Pressing the left arrow (A) button will invoke the following transmission
sequence (ensure the volume is loud enough to hear the signals):
Off hook (should hear dial tone)
V.29 9600 bps V.29 7200 bps
V.27 4800 bps V.27 2400 bps
V.21 300 bps 2100 Hz (CED)
1100 Hz (CNG) 1000 Hz (Test)
Digit 1 Digit 2
Digit 3 Digit 3
Digit 5 Digit 6
Digit 7 Digit 8
Digit 9 Digit 0
Digit * Digit #
On hook (no tone)