Epson ME 320 Service Manual Download

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SERVICE MANUAL

CONFIDENTIAL

Color Inkjet Printer

Epson Stylus NX125/NX127/TX120/TX125/TX123/

SX125/TX121/TX121x/TX129/

Epson ME 320/ME 330/ME 350
Epson Stylus T13/T13x/T12/N10/N11/T22/T25/S22/
                            T22E/
Epson ME 10/ME 32/ME 33/ME 35
Epson Stylus NX130/TX130/TX133/TX135/SX130
                            ME 340

SEMF09-013
SEIJ09-007

Summary of Contents for ME 320

Page 1: ...rinter Epson StylusNX125 NX127 TX120 TX125 TX123 SX125 TX121 TX121x TX129 Epson ME320 ME330 ME350 Epson StylusT13 T13x T12 N10 N11 T22 T25 S22 T22E Epson ME10 ME32 ME33 ME35 Epson StylusNX130 TX130 TX133 TX135 SX130 ME340 SEMF09 013 SEIJ09 007 ...

Page 2: ... SEIKO EPSON would greatly appreciate being informed of them The contents of this manual are subject to change without notice The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof EPSON is a registered trademark of SEIKO EPSON CORPORATION Note Other product names used herein are for identification purpose only and ...

Page 3: ...ts containing flammable gas is prohibited PRECAUTIONS Strictly observe the following cautions Failure to comply may lead to personal injury or damage of the product 1 Repairs on Epson product should be performed only by an Epson certified repair technician 2 No work should be performed on this product by persons unfamiliar with basic safety knowledge required for electrician 3 The power rating of ...

Page 4: ...se other than those specified in this manual Use of different types of oil or grease may damage the component or give bad influence on the printer function 13 Apply the specified amount of grease described in this manual 14 Make the specified adjustments when you disassemble the printer 15 When cleaning this product follow the procedure described in this manual 16 When transporting this product af...

Page 5: ...ion on a specific topic or to warn of possible danger present during a procedure or an action Pay attention to all symbols when they are used and always read explanation thoroughly and follow the instructions Indicates an operating or maintenance procedure practice or condition that if not strictly observed could result in serious injury or loss of life Indicates an operating or maintenance proced...

Page 6: ...Chapter 3 3 1 Overview on page 28 30 Greese name is TBD D February 22 2011 All chapters The model name EPSON Stylus TX121x TX13x EPSON ME 350 EPSON ME 35 are added E March 25 2011 Revised Contents All chapters The model name EPSON Stylus NX130 series are added and revision is changed Chapter 5 Information for EPSON Stylus NX130 TX130 TX133 TX135 SX130 ME340 is added F May 26 2011 Revised Contents ...

Page 7: ... 2 2 1 Housing Part 13 1 2 2 2 Printer Mechanism Part 14 1 3 Details of Disassembling Assembling by Parts Unit 16 1 4 Routing FFC cables 21 Chapter 2 Adjustment 2 1 Required Adjustments 24 2 2 Revision EDetails of Adjustments 26 2 2 1 TOP Margin Adjustment 26 Chapter 3 Maintenance 3 1 Overview 28 3 1 1 Cleaning 28 3 1 2 Lubrication 28 3 2 Lubrication Point 29 Chapter 4 Appendix 4 1 Power On Sequen...

Page 8: ...Confidential CHAPTER 1 DISASSEMBLY ASSEMBLY ...

Page 9: ...scribed in this chapter see the exploded diagrams of SPI Service Parts Information 1 1 1 Tools Use only specified tools to avoid damaging the printer Note All of the tools listed above are commercially available EPSON provides the tools listed with EPSON part code In this chapter the product names are called as follows NX125 series Epson Stylus NX125 NX127 TX120 TX125 TX123 SX125 TX121 TX121x TX12...

Page 10: ...lt in damage to or destruction of equipment if not strictly observed Indicates the reference page in blue letter Indicates the parts that are inevitably broken in the disassembling procedure and should be replaced with a new one for reassembly Indicates necessary check items in the disassembling assembling procedure Indicates the reference page in blue letter Indicates supplementary explanation fo...

Page 11: ...15 5 20 EJ Roller 170 768 938 Tray Exit Outer 18 5 23 EJ Roller Gear 134 768 902 Jam Cover 18 5 23 Waste Ink Pads for flushing 230 768 998 Document Cover 9 5 14 Cover Flushing 195 768 963 Document Pad 20 5 25 Porous Pad Front Paper Guide 159 5 164 ASF Cover 5 5 10 CR Motor 235 768 1003 Ink Cartridge Cover 18 5 23 Power Supply Unit 129 768 897 Rear Cover 10 5 15 Waste Ink Tray Assy 163 822 985 Scan...

Page 12: ...t Paper Guide 100 5 105 LD Roller Assy 127 768 895 CR Motor 176 768 944 LD Roller 168 768 936 Power Supply Unit 70 768 838 Housing Buckler 124 5 129 Waste Ink Tray Assy 104 822 926 Roller Idler Pick Assy 101 5 106 Waste Ink Pads 180 822 1002 CR Scale 122 5 127 Main Frame 442 768 1210 Main Board 91 1027 1118 Carriage Assy 847 768 1615 Driven Pulley Assy 304 768 1072 PCB Encoder 894 768 1662 Pick As...

Page 13: ...REW 2x5 3 5 0 25 kgf cm C B P TITE SCREW 2x6 3 0 0 25 kgf cm C F B TITE SCREW 2 6x6 3 0 0 25 kgf cm S1 S2 S3 S4 S5 S6 S7 S8 Jam Cover Middle Housing Panel Unit 4 p 16 Panel Board 1 S1 Document Cover 2 Document Pad p 16 Stacker 2 Printer Cover 2 p 20 Paper Support Assy 2 p 30 Panel Board 2 p 22 S1 Tray Exit Outer 2 Tray Exit Inner 2 Paper Support Tray 2 Paper Support Tray 2 2 Middle Housing Assy 4 ...

Page 14: ...ckler 1 p 18 Upper Paper Guide 6 EJ Roller p 29 CR Scale Waste Ink Pads for flushing PF Scale A LD Roller 2 p 18 S1 S8 Lever Cleaner Main Board Cover Flashing Pick Assy 2 p 21 S1 p 15 p 15 p 13 Cover Flushing 1 S1 Main Board 2 3 p 16 p 21 S3 Main Board 2 3 p 16 p 21 S3 NX125 NX130 series specific parts unit T13 series specific parts unit Screw type torque list Symbol Screw type Torque C B P TITE S...

Page 15: ...sing p 19 Waste Ink Tube p 19 Lever Pick Clutch p 19 Roller Pump p 19 Carriage Assy PCB Encoder 2 S7 Timing Belt Head FFC p 22 CR Motor Holder Contact Assy Printhead Waste Ink Tray Assy 2 p 19 S1 p 13 p 14 p 14 2 Holder Contact Assy 2 NX125 NX130 series specific parts unit T13 series specific parts unit Screw type torque list Symbol Screw type Torque C B P TITE SCREW 3x8 5 0 0 5 kgf cm C B P TITE ...

Page 16: ...ner Unit NX125 NX130 series Do not lift the Scanner Unit too fast since the Panel FFC Scanner Motor cable and Scanner FFC are connected to the rear side of the Scanner Unit Tighten the screws in the order indicated in figure above 3 Panel FFC Scanner FFC Scanner Motor cable Scanner Unit Scanner Unit 1 2 4 C B P TITE SCREW 3x10 5 0 0 5 kgf cm CIS NX125 NX130 series Be careful not to lose the Spacer...

Page 17: ...Dowel for temporarily secure Frame Base Step 1 Step 2 Step 3 Step 4 Hook Main Frame When installing the Grounding Spring of the lower part of the 80 digit side follow the instruction below 1 Insert the tip of the spring to the hole of the Frame Base 2 Attach the eye of the spring to the Bracket and secure the other eye to the hook on the Main Frame When installing the Extension Spring of the lower...

Page 18: ...Buckler Friction Buckler R Friction Buckler Sheet BF2 A Double sided tape Housing Buckler Friction Buckler Housing Buckler Friction Buckler R Carriage When replacing the Carriage be careful about the following and remove the Grounding Plate Guide Carriage Compression Springs from the Carriage to be replaced then attach them to the new Carriage as shown in the figure above Insert the protrusion of ...

Page 19: ...s placed in the correct position 9 Install the Gear Pump 10 Install the Gear Pump Idle 11 Install the Lever Pick Clutch Step 10 11 Lever Pick Clutch Gear Pump Idle Step 7 Roller Pump shaft Groove Bracket Pump shaft Step 6 Pump Housing Bracket Pump Waste Ink Tube Pump Housing Point D Step 4 8 Step 2 3 Point C Pump Housing Waste Ink Tube Step 1 Waste Ink Tube A B C D E F 10 1 mm 110 5 1 mm 110 1 mm ...

Page 20: ...he back of the Upper Housing Be careful not to damage the hooks x2 on the bottom left because these cannot be seen when removing Lay the Printer with the rear side facing downward and release the hooks x8 from the hole on the bottom Bottom side Hook Upper Housing Upper Housing Panel FFC Printer Cover T13 series Be careful when removing the Printer Cover because the hooks x2 are fragile and easily ...

Page 21: ... frame of the section A Panel FFC Rib Double sided tape Panel FFC Panel FFC Ferrite Core Bottom of the Scanner Unit Scanner Motor cable Hook Section A Scanner FFC Ferrite Core Housing CR Motor Route the CR Motor cable through the ribs x10 and make one turn around the rib A Route the CR Motor cable so as not to touch the surrounding gears Pick Assy Rib CR Motor CR Motor cable Pick Assy Rib A Main B...

Page 22: ...in Frame 3 Align the hooks x4 of the Holder FFC with the holes x4 on the Main Frame and secure the Holder FFC to the Main Frame by sliding it to the 80 digit side CR Encoder Holder FFC Head FFC Hole Step 2 Main Frame Holder FFC Head FFC Step 1 Fold line Main Frame Step 3 Rib Hook Head FFC Holder FFC PF Motor Set the Ferrite Core of the PF Motor cable into the ribs of the Frame Base PF Motor PF Mot...

Page 23: ...Confidential CHAPTER 2 ADJUSTMENT ...

Page 24: ...ead ID input Top margin adjustment Head angular adjustment Bi D adjustment PF band adjustment Purpose To copy adjustment values or the like stored on the old Main Board to the new board when the Main Board needs to be replaced To apply settings for the target market after replacing the Main Board To reset the waste ink counter after replacing the Waste Ink Pad To fill ink inside the new Printhead ...

Page 25: ...nk Pad To fill ink inside the new Printhead to make it ready for print after replacing the Printhead To correct characteristic variation of the replaced printhead by entering its Printhead ID Head ID To correct top margin of printout To correct tilt of the Printhead caused at the installation by software To correct print start timing in bi directional printing by software To correct variations in ...

Page 26: ...tional Information If it is not within the OK range select the adjustment value 4 to 4 steps on the adjustment program to adjust the top edge of paper until it becomes within 3 to 3 steps from the standard line Then print the adjustment pattern again to check the result The patterns are printed on three sections If those three patterns are in different position to the top edge of paper the paper w...

Page 27: ...Confidential CHAPTER 3 MAINTENANCE ...

Page 28: ... Lubrication The type and amount of the grease used to lubricate the printer parts are determined based on the results of the internal evaluations Therefore refer to 3 2 Lubrication Point p29 for the repairing procedures below and apply the specified type and amount of the grease to the specified part of the printer mechanism Grease Tools In this chapter the product names are called as follows NX1...

Page 29: ...ion view 1 mm 2 Lubrication area 2 1 Figure 3 3 Lubrication on EJ Roller Lubrication Point Ribs x20 of the Frame Base contacting points with the EJ Roller Bearings of the Frame Base contacting points with the EJ Roller Shaft on the right side of the EJ Roller Type G 71 Application Amount Sufficient quantity Remarks Wipe out grease Apply with injector Left side Bearing EJ Roller Frame Base Lubricat...

Page 30: ... points with the PF Roller Type G 71 Application Amount Sufficient quantity Remarks Wipe out grease Apply with injector Lubrication Point Figure 3 8 Lubrication on LD Roller Assy Lubrication Point Contacting points x5 between the shafts and bushings of the Head Pick Housing Contacting point x1 with the Right Pick Housing Contacting points x3 between the shafts and bushings of the Left Pick Housing...

Page 31: ...Confidential CHAPTER 4 APPENDIX ...

Page 32: ...ds out the protection counter value to check waste ink overflow 2 Seeking the home position 2 1 The carriage moves to the 80 digit side slowly and confirms it touches the CR lock 2 2 The carriage moves to the 0 digit side slowly to leave from the CR lock 2 3 Checks if paper does not exist with the PE sensor and the PF Motor rotates clockwise to release the CR lock 2 4 The carriage moves to the 80 ...

Page 33: ...5 oC 41oF by the thermistor on the Printhead 4 The empty sanction operation may occur depending on the situation 4 Detecting ink cartridge and initializing ink system 4 4 1 The carriage moves to the 80 digit side for IES detection 4 2 The carriage returns to its home position 4 3 The carriage slowly moves to the CR lock set position 4 4 The PF Motor rotates clockwise 4 5 The PF Motor rotates count...

Page 34: ...is printer are shown below Figure 4 1 Connector Summary B M Y C PS Board Panel Board Panel Board J301 J3 J2 J5 J8 J7 J11 J10 J9 J4 Scanner Unit Panel Unit J601 CIS Module J201 J201 PF Motor Main Board PF Encoder Scanner Motor Printhead CR Contact Module CR Encoder CR Motor AC in CSIC Only NX125 series Panel Unit T13 series NX125 series ...

Page 35: ...Confidential CHAPTER 5 STYLUSNX130SERIES ...

Page 36: ... ME340 Stylus NX130 series use similar mechanism and basically common to each other Therefore most of the information in prior chapters can apply to Stylus NX130 TX130 TX133 TX135 SX130 ME340 This chapter describes particular information only on Stylus NX130 TX130 TX133 TX135 SX130 ME340 Changes on Stylus NX130 TX130 TX133 TX135 SX130 ME340 Stylus NX130 series Panel Design Panel design is changed ...

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