Dell 2135CN, Service Manual

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Chapter 2 Operation of Diag.
Version 1 2008.02.01
2. Configuration
The diagnosis provides three modes that have their respective uses (purposes), target operators,
and functions.
Shippper Mode:
This mode intends to be used in the production line with the purpose to locate a chip that
causes a problem.
Diagnosis time in the mode shall be as short as possible with consideration of production cost.
The mode shifts to the Developer mode (described later) after the ESS Diag.
This mode is protected password.
Customer Mode:
This mode intends to be used by customer who handle problems in field with the purpose to
locate a replaceable unit that causes a problem.
Sorting problems on the basis of parts that can be replaced by the customer support center.
This is the base of this mode design, and that is why so many features.
The mode allows the user to execute the ESS diagnosis, test prints, parameter settings FAX,
Scanner and so on through the control panel.
Developer/CE (Customer Engineer) Mode:
This mode is for debugging by developers or CEs. It intends to be partially used in the produc-
tion line.
The mode allows the user to execute the ESS diagnosis, test prints, parameter settings and so
on through the debug terminal.
The functions are activated by commands sent from the serial terminal.Special tool (FX inter-
nal debugging terminal) is required to operate Developer mode.
This mode is protected password.