4-1
HP DesignJets 1050C and 1055CM Printers Service Manual
Service Tests and
Utilities
4
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
4
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