Dell 3130cn - Color Laser Printer, Service Manual

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Chapter 2 Operation of Diag.
Version 3 2008.05.30
6. The Kind of CE Diag. and Contents of a Test (CE Diag. Tool Operation)
6.1 ESS Diag
The following screen appears on the display when the ESS Diag. is selected. Menus can be selected
from the drop down listbox. To execute a test, the [Test] button on the screen should be clicked.
Test results are displayed on the [Result] excluding the [MAC+PHY Test] and [Panel Test] results.
Do not open and shut the front cover, execute the print, and click the button on the Diag
screen while executing ESS Diag.
Item Function
All Test
This test executes the all tests of the ESS diagnostic except the
MAC+PHY test and PANEL test.
Code ROM Test
Calculates the ROM checksum and compares it with the value stored in
the ROM.
Executes this test when the 016-317 error occurred.
Test result: NG (Go to FIP.) OK (Turn off/on the main power.)
EEP ROM Test
Performs write/read/verify on the diag. area of the EEPROM.
Executes this test when the 016-327 and 016-323 errors occurred.
Test result: NG (Go to each FIP.) OK (Turn off/on the main power.)
DRAM Test
Tests OPEN/SHORT with the address line of the DRAM.
Performs write/read/verify on the entire DRAM.
Executes this test when the 016-315 and 016-700 errors occurred.
Test result: NG (Go to each FIP.) OK (Turn off/on the main power.)
Drop down Listbox