P

Paper Axis Service Test 4-20 Paper Entry Assembly 8-64 Paper Path 7-24 Paper-axis Motor 8-12 Parts List

APS Assembly 7-14

ARSS Miscellaneous Parts 7-22 Carriage Assembly 7-18 Center Guide 7-30

Clutch Assembly 7-16

Drive Roller Assemblies 7-28 Electronics Module 7-6

Ink Supply Station 7-14

Left Hand Cover 7-10 Media Sensor 7-30

Paper Path Assemblies 7-24 Pinch Assembly 7-26 Printer Support 7-2

Rear Covers 7-4

Right Hand Assemblies 7-12 Right Hand Cover 7-8 Scan-Axis Assemblies 7-20 Tubes Guide Assemblies 7-32 Window 7-10

Pen Alignment 5-22

Physical Specifications 10-13 Pinch Assembly 7-26 Pinch-Wheel Assembly 8-73 Platen Assembly 8-63 Power Supply Unit 10-3 Preventive Maintenance Kit 9-4 Priming the Ink System 3-6 Print Head Cleaner 10-9

Print Modes 6-3 Print Quality

Troubleshooting 6-13 Troubleshooting Checklist 6-2

Print Quality Test 6-4

Printable Area 10-16

Printer doesn’t power ON 1-5 Printer Model Type 4-35

Printer Power Specifications 10-13 Printer Safety Specifications 10-15

Index

Printer Specifications 10-12 Printer Support 7-2 Printhead Check 4-41 Printhead Cleaners 3-2 Printhead Crashes 1-7, 1-10 Printhead rejection 1-6 Printhead Smears 1-10 Printhead Status Messages

Failed 3-14

Faulty 3-16

Insert 3-15 Monitor 3-15 OK 3-13 Replace 3-13 Reseat 3-16 Setup 3-15 Unknown 3-16 Used 3-15 Wrong Model 3-16

Printheads 3-2

obtaining information 3-9 Problems

Color Accuracy 6-22

Color Alignment 6-8 Color Consistency 6-22 Color-to-Color Alignment 6-15 Cover Sensors 1-6 Horizontal Lines 6-17

Line Sensor 1-6

Long Term Color Bleeding 6-22 Media-handling 1-14

Printing lines 6-14 Stepped lines 6-13 Vacuum Fan 1-9 Vacuum suction 1-9

R

Rear Covers 7-4

Rear Platen 8-23

Regulatory Notices 10-18

Release Info 4-32

HP DesignJets 1050C and 1055CM Printers Service Manual

Index-3