Service Tests and

4

 

Utilities

 

 

 

Introduction 4-2

Diagnostics - Self Test 4-2

Service Tests (Diagnostics) 4-3

Entering the Service Tests Menu 4-4

1.Electronic Systems 4-5

2.EIO Card 4-10

3.Hard Disk Drive 4-12

4.Ink Pressure System 4-14

5.Scan Axis 4-17

6.Paper Axis 4-20

7.Drop Detector 4-22 Service Utilities 4-25

Entering the Service Utilities Menu 4-26

1.Tubes Purge 4-28

2.Release Info 4-32

3.Set Asian PS Fonts 4-33

4.Printer Model Type 4-35

5.Overdrive Cleaning 4-37

6.EEROM Utilities 4-38

7.Printhead Check 4-41

8.Mon. Mode Baud Sel. 4-42

HP DesignJets 1050C and 1055CM Printers Service Manual

4-1