Contents
Contents
2.1.1 Printer Diagram............................................................................................................................................................................ 2-1
2.1.2 Print Signal Sequence .................................................................................................................................................................. 2-2
2.1.3 Print Driving ................................................................................................................................................................................ 2-3
2.2.1 Operation Sequence at Power-on................................................................................................................................................. 2-5
2.2.2 Operation Sequence at Power-off ................................................................................................................................................ 2-6
2.2.3 Print Position Adjustment Function............................................................................................................................................. 2-7
2.2.4 Head Management ....................................................................................................................................................................... 2-7
2.2.5 Printhead Overheating Protection Control................................................................................................................................... 2-7
2.2.6 Pause between Pages.................................................................................................................................................................... 2-7
2.2.7 White Raster Skip ........................................................................................................................................................................ 2-7
2.2.8 Sleep Mode .................................................................................................................................................................................. 2-7
2.2.9 Shut Down Mode ......................................................................................................................................................................... 2-7
2.2.10 Hard Disk Drive......................................................................................................................................................................... 2-8
2.3.2.3.1 Functions of Carriage Unit....................................................................................................................................................................2-13
2.3.2.3.2 Structure of Carriage Unit .....................................................................................................................................................................2-14
2.3.2.5.1 Functions of Purge Unit ........................................................................................................................................................................2-18
2.3.2.5.2 Structure of Purge Unit .........................................................................................................................................................................2-21
2.4.2.1 Main controller PCB components.................................................................................................................................................................2-32
2.4.2.2 Connectors and Pin Arrangement of Main controller PCB ..........................................................................................................................2-34
2.4.2.3 HDD expansion PCB components ................................................................................................................................................................2-41
2.4.3.1 Carriage PCB components ............................................................................................................................................................................2-41
2.4.3.2 Connectors and Pin Arrangement of Carriage PCB......................................................................................................................................2-42
Summary of Contents for image Prograf iPF785 Series
Page 1: ...Mar 27 2014 Service Manual iPF780 760 750 series iPF785 ...
Page 9: ...Chapter 1 PRODUCT DESCRIPTION ...
Page 57: ...Chapter 2 TECHNICAL REFERENCE ...
Page 117: ...Chapter 3 INSTALLATION ...
Page 125: ...Chapter 4 DISASSEMBLY REASSEMBLY ...
Page 175: ...Chapter 4 4 49 2 Shaft Cleaner 1 F 4 97 1 1 ...
Page 176: ...Chapter 4 4 50 3 Upper Cover Hinge Catch 1 Roll Cover Slide Guide 2 F 4 98 2 1 ...
Page 179: ...Chapter 5 MAINTENANCE ...
Page 186: ...Chapter 6 TROUBLESHOOTING ...
Page 212: ...Chapter 7 SERVICE MODE ...
Page 267: ...Mar 19 2014 PARTS CATALOG iPF786 785 781 780 765 760 755 750 ...
Page 301: ...2 25 FIGURE 10 PLATEN GUIDE UNIT 1 3 6 2 8 4 5 10 10 10 9 9 11 ...
Page 326: ......