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Details Of Ess Diagnosis; Executing Ess Diagnosis; All Test; Coderom Test - Dell 5110cn Service Manual

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  • Contents

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4.1 Details of ESS diagnosis

This section describes how to perform each test of the ESS Diag in detail.

4.1.1 Executing ESS diagnosis

1)
Turn off the power.
2)
Turn on the power while holding down "
3)
Release the fingers from these keys when "Diagnosing..." is displayed.
4)
The "Customer Mode" and "ESS Diag" are displayed. (Entered the Diag. mode.)
5)
Press "
" key.
6)
Press "
" or "
7)
Press "
" key twice to execute the test.
To exit the test or to returning to one step higher menu, press "CANCEL" key.

4.1.2 All Test

This test executes the all tests of the ESS diagnostic except the MAC+PHY test and PANEL test.
Normal
CHECK OK
***:Displays the test name that became error.
(CodeROM/FontROM/EEPROM/DRAM/ASIC/IOT/HD)

4.1.3 CodeROM Test

This test calculates the checksum of the each ROM, and compares it with the valid checksum
value stored in the corresponding chip beforehand. When the checksum is identical to the stored
value, this test judges the chip is normal.
Normal
CHECK OK

4.1.4 FontROM Test

This test calculates the checksum of the each FontROM, and compares it with the valid checksum
value stored in the corresponding chip beforehand. When the checksum is identical to the stored
value, this test judges the chip is normal.
Normal
CHECK OK
" key to select the test item.
CodeROM #* ERROR
(xxxx:calculated value yyyy:ROM stored value *:0,1)
FontROM ERROR
(xxxx:calculated value yyyy:ROM stored value)
2 - 11
" and "
" keys.
Error
*** ERROR
Error
S=xxxx V=yyyy
Error
S=xxxx V=yyyy
Chapter 2 Operation of Diag.

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Table of Contents

   Also See for Dell 5110cn

Dell 5110cn - Color Laser Printer User Manual
Dell 5110cn - Color Laser Printer User Manual 447 pages
Dell 5110cn Specification Sheet
Dell 5110cn Specification Sheet 2 pages

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