Epson 680Pro Service Manual - Page 7

Chapter 1 PRODUCT DESCRIPTION 1.1 FEATURES 10 1.2 SPECIFICATIONS 11 1.2.1 Physical Specification 11 1.2.2 Printing Specification 11 1.2.3 Paper Feeding 12 1.2.4 Input Data Buffer 12 1.2.5 Electric Specification 12 1.2.6 Environmental Condition 13 1.2.7 Reliability 13 1.2.8 Safety Approvals 13 1.2.9 Acoustic Noise 13 1.2.10 CE Marking 13 1.3 INTERFACE 14 1.3.1 Parallel Interface (Forward Channel 14 1.3.2 Parallel Interface (Reserve Channel 17 1.3.3 USB Interface 18 1.3.4 Prevention of Data Transfer Time-out 19 1.3.5 Interface Selection 19 1.3.6 IEEE1284.4 Protocol 19 1.4 OPERATOR CONTROLS 20 1.4.1 Operating Switch 20 1.4.2 Control Panel 20 1.4.3 Panel Functions 21 1.4.4 Printer Condition and Panel Status 22 1.4.5 Printer Initialization 22 1.4.6 Errors 23 1.5 PAPER 24 1.5.1 Paper Handling 24 1.5.2 Paper Specification 24 1.5.3 Printing Area 26 1.6 INK CARTRIDGE 28 1.6.1 Black Ink Cartridge 28 1.6.2 Color Ink Cartridge 28 Chapter 2 Operating Principles 2.1 Overview 30 2.1.1 Printer Mechanism 30 2.1.2 Printhead 31 2.1.3 Carriage Mechanism 33 2.1.4 Paper Feeding Mechanism 34 2.1.5 Paper Loading Mechanism (ASF Unit 35 2.1.6 Ink System Mechanism 38 2.2 Electrical Circuit Operating Principles 40 2.2.1 C383 PSB/PSE board 40 2.2.2 C383 MAIN Board 43 Chapter 3 Troubleshooting 3.1 Overview 50 3.2 Troubleshooting with LED Error Indications 51 Chapter 4 Disassembly and Assembly 4.1 Overview 62 4.1.1 Precautions 62 4.1.2 Tools 63 4.1.3 Work Completion Check 64 4.2 Disassembly 65 4.2.1 Housing removal 66 4.2.2 Operation Panel removal 67 4.2.3 Printhead removal 68 4.2.4 CR motor removal 71 4.2.5 Waste drain ink pad unit removal 73 4.2.6 Circuit board removal 75 4.2.7 LD Roller removal 79 4.2.8 HP/PE Sensor removal 83 4.2.9 Ink system unit removal (Cap & Pump unit 85 4.2.10 Paper Eject Roller removal 87 4.2.11 PF motor removal 89 4.2.12 CR unit removal 91 4.2.13 Paper feed roller removal 94 4.2.14 Disassembling ASF frame unit 97 Chapter 5 Adjustment 5.1 Overview 101