Epson Stylus Pro 9000 - Print Engine Service Manual page 7

EPSON Stylus Pro 9000
Paper Not Cut.................................................................................. 46
Paper Not Straight ........................................................................... 46
Reload Paper................................................................................... 47
Push Lever Down ............................................................................ 47
Compartment Open ......................................................................... 47
Ink Out ............................................................................................. 48
No Ink Cartridge .............................................................................. 48
Remove Paper................................................................................. 48
Option I/F Error................................................................................ 48
Print Quality Troubleshooting .................................................................. 49
Missing Dots or Lines ...................................................................... 49
No Ink Output from One or Both Printheads.................................... 50
Uneven Printing or Poor Resolution ................................................ 50
Smudged or Marred Printout (Front) ............................................... 51
Smudged or Marred Printout (Reverse side)................................... 51
White or Black Banding ................................................................... 51
Connector-Related Errors ......................................................................... 52
4 Disassembly & Assembly
Overview ..................................................................................................... 55
Precautions ............................................................................................ 55
Tools ....................................................................................................... 56
Screw List ............................................................................................... 56
Order of Disassembly ............................................................................. 57
Housing Parts ......................................................................................... 58
Housing Removal ...................................................................................... 58
Maintenance Cover Removal .......................................................... 58
Top Cover Removal......................................................................... 59
Left and Right Side Cover Removal ................................................ 60
Front Cover Removal ...................................................................... 61
Roll Cover Removal......................................................................... 62
Lower Paper Guide Removal .......................................................... 63
Upper Paper Guide Removal .......................................................... 64
Circuit Board Removal .............................................................................. 65
Power Supply Board Removal......................................................... 65
Main Board Removal ....................................................................... 66
Maintenance Procedures .......................................................................... 67
Replacing the Waste Ink Pads ........................................................ 67
Maintenance Assembly Removal & Disassembly ........................... 69
Printer Mechanism Disassembly ............................................................. 71
Replacing the Printheads ................................................................ 71
Removing the Carriage Motor Assembly......................................... 75
Removing the PF Motor Assembly .................................................. 76
Removing the Platen Gap Adjustment motor .................................. 78
Removing the Platen Gap Home Position Sensor........................... 78
Removing the Cover open Sensors................................................. 79
Removing the Paper Thickness Sensor .......................................... 80
Removing the Rear Paper Sensor................................................... 80
Removing the Front Paper Sensor .................................................. 81
Removing the Paper Release Sensor ............................................. 81
Removing the Carriage Home Position Sensor and Encoder ......... 82
Ink Holder Disassembly ............................................................................ 84
Removing the I/C Holder Assembly ....................................................... 84
Disassembling the I/C Holder ................................................................. 91
Removing the Ink Tubes ........................................................................... 92
Preparation ...................................................................................... 92
Removing the Ink Pipe Covers ........................................................ 92
Separating the ink pipes and ink tubes ........................................... 92
Removing the CR circuit board........................................................ 93
Disconnecting the ink dampers ....................................................... 93
Removing the cable connection plate.............................................. 94
Ink Tubing Reassembly .......................................................................... 95
Installing the new cable connection plate ........................................ 95
Positioning the tube guides and FFCs............................................. 95
Connecting the ink tubes to the ink pipes........................................ 96
Securing the the ink tubes and ink pipes......................................... 96
Securing the tube guides on the CR side ........................................ 96
Checking the ink tubes .................................................................... 97
Attaching the CR circuit board......................................................... 97
Connecting the carriage FFCs......................................................... 97
Connecting the ink tubes and dampers ........................................... 98
Confirming the tube guide assembly position.................................. 99
Connecting the carriage FFCs to the relay circuit board ............... 100
Resetting the printer ...................................................................... 100
Revision A
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