Alignment And Adjustments; How To Use Edc (Engine Diagnostic Control) Mode; Edc Setup; Entrance Method For Edc - Samsung ML-4550 Service Manual

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4. Alignment and Adjustments

This chapter describes the main functions for service, such as the product maintenance
method, the test output related to maintenance and repair, DCU using method, Jam removing
method, and so on. It includes the contents of manual.

4.1 How to use EDC (Engine Diagnostic Control) Mode

4.1.1 EDC Setup

EDC(Engine Diagnostic Control, EDC will be used below) is considered to test and check whether each functions of
machinery and h/w module are normal or not. All of the test function are able to be controlled by the keys and LCD
window on the panel without any other kits. It's developed for related engineers, not for users.

4.1.2 Entrance method for EDC

In order to enter the EDC mode, the entering method should be special because this mode is developed for engineers
related, not for end users.
- Entering the mode, the message, COMPONENT TEST/Press Menu Key is displayed.
- In this mode, an engineer should press the Menu Key to search each function he would like to test.
• Usage
1. Check printer is powered on.
2. Wait until the printer becomes a ready mode.
3. Press Menu -> Stop -> Left -> Back -> Ok -> Right in order.
4. Confirm the message COMPONENT TEST/Press Menu Key is displayed.
5. Press Menu key.
6. Follow a usage for a function you would like to use.
* The procedure and content above can be changed according to the situation.
Samsung Electronics
Alignment & Adjustments
Service Manual
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