Lexmark X73 4402-001 Manuale Utente Scaricare il pdf (Pagina 14)

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1-4 Service Manual

4402-001

Maintenance Approach

The diagnostic information in this manual leads you to the correct

field replaceable unit (FRU) or part. Use the symptom index, service

checks, and diagnostic aids to determine the symptom and repair

the failure.

After you complete the repair, perform tests as needed to verify the

repair.

Abbreviations

B/M Bill of Material

CCD Charged Coupled Device

EOF End of Form

ESD Electrostatic Discharge

FPC Flat Printhead Cable

FRU Field Replaceable Unit

HVPS High Voltage Power Supply

LVPS Low Voltage Power Supply

OEM Original Equipment Manufacturer

V ac Volts alternating current

V dc Volts direct current

ZIF Zero Insertion Force

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 63 64

• Safety and Notices 1
• Trademarks 1
• Start Diagnostics 1
• Table of Contents 1
Table of Contents 3
Safety Information 5
Norme di sicurezza 6
Sicherheitshinweise 6
Pautas de Seguridad 7
Informações de Segurança 7
Informació de Seguretat 8
Safety Information ix 9
1. General Information 11
Scanner Specifications 12
Operator Panel 13
Maintenance Approach 14
2. Diagnostic Information 15
POST Symptom Table 16
Symptom Tables 17
2-4 Service Manual 18
Diagnostic Information 2-5 19
4402-001 19
Paper Feed Problems 19
Power Problems 19
Print Quality Problems 19
Service Checks 20
Diagnostic Information 2-7 21
2-8 Service Manual 22
Diagnostic Information 2-9 23
CCD will not move or scan 23
2-10 Service Manual 24
Paper Feed Service Check 25
2-12 Service Manual 26
Paper Path Service Check 27
Power Service Check 28
Print Quality Service Check 29
2-16 Service Manual 30
Diagnostic Information 2-17 31
2-18 Service Manual 32
3. Diagnostic Aids 33
3-2 Service Manual 34
4. Repair Information 35
Adjustments 36
Removal Procedures 36
Scanner Lid Assembly Removal 37
Rear Cover Removal 37
Operator Panel Removal 38
Top Housing Assembly Removal 38
Paper Support Removal 38
CCD Module Assembly Removal 39
Gear Train Assembly Removal 40
Access Cover Sensor Removal 40
Right Cover Removal 41
Access Cover Removal 41
Left Cover Removal 42
Middle Frame Removal 43
4-10 Service Manual 44
Print Engine Removal 45
ASF Module Removal 46
System Board Removal 46
Carrier Removal 47
Encoder Strip Removal 47
Maintenance Station Removal 48
5. Connector Locations 49
5-2 Service Manual 50
6. Preventive Maintenance 51
6-2 Service Manual 52
7. Parts Catalog 53
Assembly 1: Covers 54
Assembly 1: Covers 55
Assembly 1 (cont.): Covers 56
Transport 58
Parts Catalog 7-7 59
Assembly 3: Electronics 60
Assembly 3: Electronics 61
7-10 Service Manual 62
Part Numbers 64

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Lexmark X73 4402-001 Manuale Utente Pagina 14

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