Other tests in Extended Service mode

The following chart shows tests that can be performed in Extended Service mode and provides a brief explanation of each test:

Extended Service mode tests

Test

Explanation

 

 

Keypad test

Tests that all buttons are functioning (by

 

pressing the buttons in sequence).

 

 

LCD test

Tests the control-panel display.

 

 

Control panel test

Tests the control-panel lights.

 

 

Sensor states

Shows current detector activation levels.

 

Detector 1 and detector 2 are paper-size

 

detectors. The control-panel display shows the

 

percentage of time each detector is activated.

 

 

All LCD characters

Scrolls through the full list of control-panel

 

display characters.

 

 

Scanner plots

Tests and recalibrates the document scanner.

 

 

Scanner LED

After selecting this menu item, lift the

 

document-release door, and verify that all of

 

the LEDs in the contact image sensor are lit.

 

 

ADF feed test

Runs the document-scanner pickup rollers

 

once.

 

 

ADF motor test

Runs the document-scanner motor once.

 

 

Individual diagnostics

Run individual tests from the self-test sequence

 

(see the Extended Service mode self-test

 

failures table).

 

 

Modem tone

Generates tones with various frequencies from

 

300 Hz to 2425 Hz.

 

 

Modem modulation

Generates various fax identification signals.

 

 

102 Chapter 2 – Service mode

EN