Dell 5110cn - Color Laser Printer, Service Manual

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Chapter 2 Operation of Diag.
Chapter 2 Operation of Diag. CONTENTS
1. Overview......................................................................................................................2 - 1
1.1 Position of the Diag. in the Whole System........................................................................................ 2 - 1
2. Configuration ...............................................................................................................2 - 2
3. How to use Diag. Customer Mode...............................................................................2 - 3
3.1 Roles of the control panel in Diag. .................................................................................................... 2 - 3
3.2 Entering diag. Customer mode ......................................................................................................... 2 - 4
3.3 Selecting Diag. item .......................................................................................................................... 2 - 4
3.4 Change method parameters value.................................................................................................... 2 - 4
3.5 Executing/Exiting Diag. mode ........................................................................................................... 2 - 4
3.6 Diag. mode menu tree ...................................................................................................................... 2 - 5
4. The Kind of Diag. and Contents of a Test ...................................................................2 - 7
4.1 Details of ESS diagnosis................................................................................................................. 2 - 11
4.1.1 Executing ESS diagnosis........................................................................................................ 2 - 11
4.1.2 All Test .................................................................................................................................... 2 - 11
4.1.3 CodeROM Test ....................................................................................................................... 2 - 11
4.1.4 FontROM Test ........................................................................................................................ 2 - 11
4.1.5 EEPROM Test ........................................................................................................................ 2 - 12
4.1.6 DRAM Test ............................................................................................................................. 2 - 12
4.1.7 MAC+PHY Test ...................................................................................................................... 2 - 13
4.1.8 ASIC Test................................................................................................................................ 2 - 13
4.1.9 PANEL Test ............................................................................................................................ 2 - 13
4.1.10 IOT Test ................................................................................................................................ 2 - 13
4.1.11 HD Test................................................................................................................................. 2 - 13
4.2 IOT Diag.......................................................................................................................................... 2 - 14
4.2.1 Digital Input (DI) Test .............................................................................................................. 2 - 14
4.2.2 Executing digital input (DI) test ............................................................................................... 2 - 14
4.2.3 Exiting digital input (DI) test .................................................................................................... 2 - 16
4.2.4 How to check sensors and switches ....................................................................................... 2 - 16
4.2.5 Digital Output (DO) Test ......................................................................................................... 2 - 34
4.2.6 Executing digital output (DO) test ........................................................................................... 2 - 34
4.2.7 Exiting digital output (DO) test ................................................................................................ 2 - 38
4.2.8 How to check the motors, clutches and solenoids .................................................................. 2 - 38
4.3 Test Print......................................................................................................................................... 2 - 61
4.3.1 Executing test print ................................................................................................................. 2 - 61
4.3.2 No Image [IOT] ....................................................................................................................... 2 - 61
4.3.3 Test Pattern 600[IOT] ............................................................................................................. 2 - 61
4.3.4 Grid2 ....................................................................................................................................... 2 - 62
4.3.5 20
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Density Chart.................................................................................................................. 2 - 62
4.3.6 Gradation ................................................................................................................................ 2 - 64
4.3.7 Toner Pallet Check ................................................................................................................. 2 - 64
4.3.8 Contamination Check.............................................................................................................. 2 - 65
4.4 Parameter Setting ........................................................................................................................... 2 - 66
4.4.1 Handling parameters............................................................................................................... 2 - 66
4.4.2 Printing the parameter list ....................................................................................................... 2 - 68