Epson WF-R8590 Service Manual Download Page 1

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SERVICE MANUAL

CONFIDENTIAL

RevisionE Color In

RevisionE Color Ink jet Printer

k jet Printer

EPSON WF-R8590

EPSON WF-R8591

EPSON WF-R8591
EPSON WF-R8593

EPSON WF-R8593

SEMF14-006

Summary of Contents for WF-R8590

Page 1: ...L SERVICE MANUAL CONFIDENTIAL CONFIDENTIAL RevisionE Color In RevisionE Color Ink jet Printer k jet Printer EPSON WF R8590 EPSON WF R8590 EPSONWF R8591 EPSONWF R8591 EPSONWF R8593 EPSONWF R8593 SEMF14 006 SEMF14 006 ...

Page 2: ...hem med of them The contents of this manual are subject to change without notice 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 The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof manual or the...

Page 3: ...hem med of them The contents of this manual are subject to change without notice 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 The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof manual or the...

Page 4: ...observe the following cautions Failure to Strictly observe the following cautions Failure to comply may lead to personal injury or damage comply may lead to personal injury or damage of the product of the product 1 1 Repai Repairs on Epso rs on Epson produ n product shou ct should be perf ld be performed o ormed only by an Ep nly by an Epson cert son certified re ified repair tec pair technicia hn...

Page 5: ...or give bad influence on damage the component or give bad influence on the printer function the printer function 13 13 Apply the Apply the specified amount specified amount of grease of grease described in described in this manual this manual 14 14 Make the Make the specified adjustments specified adjustments when you when you disassemble the p disassemble the printer rinter 15 15 When cleaning th...

Page 6: ... in this Manual Symbols Used in this Manual Various symbols are used throughout this manual Various symbols are used throughout this manual either to provide additional information on a specific either to provide additional information on a specific topic or topic or to warn of possible danger present to warn of possible danger present during a procedure or an action Pay attention t during a proce...

Page 7: ...nk Supply CL Assy 2 3 8 6 Ink Supply CL Assy 2 3 8 9 Tube 2 3 8 9 Tube Chapter 3 Chapter 3 3 2 1 1 PF Timing Belt Tension Measurement 3 2 1 1 PF Timing Belt Tension Measurement 3 2 1 3 ASF Timing Belt Tension Measurement 3 2 1 3 ASF Timing Belt Tension Measurement 3 2 3 Ink Leak Check 3 2 3 Ink Leak Check 3 2 3 2 Ink Lake Measurement jig 1 3 2 3 2 Ink Lake Measurement jig 1 3 2 4 Head Angular Mech...

Page 8: ... p 148 2 3 8 5 Ink Supply BK Assy p 186 2 3 8 6 Ink Supply CL Assy p 188 2 3 8 7 Ink Pack Holder BK p 192 2 3 8 8 Ink Pack Holder Y M C p 193 2 3 8 9 Ink Tube p 194 2 3 13 Mechanism Unit p 260 Chapter 5 5 2 2 Protection of the Ink Supply Needle p 314 E Apr 4 2016 Copyright p 2 Chapter 1 Printer fatal error list 0x8A p 22 Chapter 2 2 3 1 Preparation for servicing p 61 2 3 2 1 Maintenance Box p 64 C...

Page 9: ...sembly reassembly procedure in 2 3 6 15 Ink Supply Unit p148 2 3 6 19 Print Head Ink Supply Unit When the printer cannot perform Ink Flushing by fatal error p168 is added newly Chapter 3 Made change the description of Caution Box in 3 2 2 3 PG adjustment procedure p293 New procedure is added and changing the description in 3 2 3 Ink Leak Check p296 Revision Date of Issue Description ...

Page 10: ...2 3 2 Consumables Accessories 64 2 3 2 1 Maintenance Box 64 2 3 3 Housing 65 2 3 3 1 Front Cover Assy 65 2 3 3 2 Paper Support Support 66 2 3 3 3 Stacker Assy 66 2 3 3 4 Rear ASF Document Support Cover 67 2 3 3 5 Left ADF Hinge Cover 67 2 3 3 6 Right ADF Hinge Cover 68 2 3 3 7 Paper Support 69 2 3 3 8 Panel Assy 70 2 3 3 9 Speaker 71 2 3 3 10 Front Cover Microswitch 72 2 3 3 11 Right Upper Front C...

Page 11: ...rror 168 2 3 7 Paper Feed Mechanism 174 2 3 7 1 Rear Cover Assy Rear Cover Belt 174 2 3 7 2 Rear Cover Control Lever 174 2 3 7 3 Duplex Unit 175 2 3 7 4 PF Encoder Sensor Assy 175 2 3 7 5 Pick Up Roller Motor Assy 176 2 3 7 6 PF Tension Stopper 178 2 3 7 7 PF Timing Belt 179 2 3 7 8 PF Motor Assy 181 2 3 7 9 PE Sensor 182 2 3 7 10 PF Sensor 186 2 3 7 11 Star Wheel Assy 187 2 3 7 12 Rear ASF Unit 1...

Page 12: ...y 247 2 3 11 3 2nd Cassette Frame Assy 247 2 3 11 4 2nd Cassette Drive Assy 251 2 3 11 5 Actuator 253 2 3 11 6 Sensor 254 2 3 11 7 Feed Roller 256 2 3 12 Option Cassette 257 2 3 12 1 OP Casette Unit 257 2 3 12 2 OP Cassette Assy 258 2 3 12 3 OP Casette Retard Roller Assy 258 2 3 12 4 OP Cassette End Guide 259 2 3 12 5 OP Cassette Edge Guide Right 259 2 3 12 6 OP Rear Cover Assy 261 2 3 12 7 Stoppe...

Page 13: ...ad Angular Mecha Adjustment 306 3 2 5 SMAP Run out Adjustment 309 3 2 6 Inspection Mode 316 3 2 6 1 To enter Inspection Mode 316 3 2 6 2 Printer Inspection Mode 317 3 2 6 3 Touch Panel Adjustment 318 3 2 6 4 To exit the Inspection Mode 321 Chapter 4 Maintenance 4 1 Overview 323 4 1 1 Cleaning 323 4 1 2 Lubrication 323 4 2 Lubrication Points and Instructions 324 4 3 Firmware Update 326 4 4 Initiali...

Page 14: ...Confidential CHAPTER 1 TROUBLESHOOTING ...

Page 15: ...r WF R8590 WF R8591 and WF R8593 When FAX related error occurs see 1 3 1 FAX Troubleshooting p32 ADF failure Finish Turn on the printer 2 What is returned reason Copy an image Copy an image by ADF Start ADF Scanner unit failure Printer failure only Yes Yes Yes No Does printer turn on the power Yes Is Power on sequence finished without error Yes No Is ADF operation finished without trouble Standby ...

Page 16: ...Recommendation of EPSON media Edge guide re setting Foreign material removal Partsre installation Pick Up Assy replacement Cassette Assy replacement Printer Mechanism replacement Rear ASF Unit replacement Abnormal Noise Presumable Cause Foreign material Insufficient grease Gear damage Stopper Holder Idle Roller is installed in a wrong place Major Troubleshooting Foreign material removal Lubricatio...

Page 17: ...r Glass cleaning Document Pad cleaning Document Pad replacement CIS Unit replacement Scanner Motor replacement ADF failure Phenomenon No paper feed Double feed Paper jam Paper skew Presumable Cause Wear of Pickup Roller Wear of ADF Pad Assy Gear damage ADF Motor damage Contamination of Scanner Glass Foreign material Paper Sheet damage ADF Cover Assy damage Wear of EJ Roller ADF Sensors damage Majo...

Page 18: ...se inspection 2 1 Initializes the Printhead and checks the fuse on the printer control circuit board 1 3 Seeking the home position 3 1 To identify the CR Unit position the CR Motor rotates counterclockwise and it confirms the CR Unit touches the Right Frame slowly It regards the point when the CR Unit touches the Right Frame as the position specified steps away from the home position and sets it a...

Page 19: ...nchronized drive timing correction 6 1 The PF Motor and ASF Motor rotate CW CCW CW CCW 7 Low temperature operation sequence 5 7 1 The PF Motor rotates clockwise and the CR lock is unlocked CW 7 2 The CR Motor rotates and the CR Unit moves back and forth two times 4 CW CCW 7 3 The PF Motor rotates counterclockwise and the CR lock is set CCW 8 Setting the PF Roller origin 8 1 The PF Motor rotates cl...

Page 20: ...r is more than the specified value the paper jam error occurs 11 Checking for waste ink overflow 11 1 Checks the waste ink counter of the Maintenance Box if the waste ink overflow is occurring 12 CR lock setting 12 1 The CR Motor rotates clockwise and the CR Unit moves to the home position CW 12 2 The CR Motor rotates counterclockwise and the CR Unit moves to the 0 digit side CCW 12 3 The PF Motor...

Page 21: ...failure Main board failure 0x69 Option Cassette recovery mode error Option cassette board failure Main board failure 0x6A SMAP phase detection error Misalignment of eccentric correction phase 0x6B PF runaway error PF encoder failure Motor driver failure 0x6C Option Cassette Connected error Four optional cassettes or more setting error 0x6D Option Cassette Connected error Option cassette setting er...

Page 22: ... speed error Opt1 LFT Motor Failure Opt1 ASF Encoder failure contaminated detached scale Encoder Board failure Opt1 LIFT driven mechanism overload paper jam foreign object Cable disconnection 0x79 Opt1 LFT PID lock error Opt1 ASF Encoder failure contaminated detached scale Encoder Board failure Opt1 ASF motor failure Opt1 LIFT driven mechanism overload paper jam foreign object Cable disconnection ...

Page 23: ...sconnection 0x87 Opt2 LFT PID excess load error Protection material remains Opt2 LIFT motor failure Opt2 ASF Encoder failure contaminated detached scale Encoder Board failure Opt2 LIFT driven mechanism overload paper jam foreign object Cable disconnection 0x88 Opt2 LFT PID excess speed error Opt2 LIFT motor failure Opt2 ASF Encoder failure contaminated detached scale Encoder Board failure Opt2 LIF...

Page 24: ...ale Encoder Board failure Opt3 ASF motor failure Pickup Roller driven mechanism overload paper jam foreign object Cable disconnection 0xA2 Opt3 ASF PID reverse error Opt3 ASF Encoder failure contaminated detached scale Encoder Board failure Opt3 ASF motor failure Pickup Roller driven mechanism overload paper jam foreign object Cable disconnection 0xA3 Opt3 ASF PID lock error Opt3 ASF Encoder failu...

Page 25: ... driving time error Opt3 ASF Encoder failure contaminated detached scale Encoder Board failure Opt3 ASF motor failure Pickup Roller drive mechanism overload paper jam foreign object Cable disconnection 0xAD Opt1 ASF BS driving time error Opt1 ASF motor failure Opt1 ASF Drive Board failure 0xAE Opt2 ASF BS driving time error Opt2 ASF motor failure Opt2 ASF Drive Board failure 0xAF Opt3 ASF BS drivi...

Page 26: ...ached scale Encoder Board failure Motor driver failure Main board failure 0xD3 ASF PID reverse error ASF Encoder failure contaminated detached scale Encoder Board failure Paper jam 0xD4 ASF PID lock error ASF Encoder failure contaminated detached scale Encoder Board failure ASF motor failure Pickup Roller 2nd cassette drive mechanism overload paper jam foreign object Cable disconnection 0xD5 LFT P...

Page 27: ...t Cable disconnection 0xE5 CR PID speed fall error CR Encoder failure contaminated detached scale Encoder Board failure Motor Driver failure Main Board failure Tooth skip of the CR Timing Belt Improper tension of the CR Timing Belt Paper jam 0xE6 APG PID lock error APG encoder failure contaminated detached scale Encoder Board failure APG motor failure Cable disconnection 0xE7 APG PID excess load e...

Page 28: ...ale Encoder Board failure Tooth skip of the PF Timing Belt Improper tension of the PF Timing Belt Paper jam 0xF4 PF PID lock error PF Encoder failure contaminated detached scale Encoder Board failure PF motor failure PF drive mechanism overload paper jam foreign object Cable disconnection 0xF8 PF load position reverse error PF Encoder failure contaminated detached scale Encoder Board failure Tooth...

Page 29: ...re contaminated detached scale Encoder Board failure Motor driver failure SCN Main board failure 0x0A ADF BS reverse error ADF Encoder failure contaminated detached scale Encoder Board failure Paper jam 0x0B ADF BS lock error ADF Encoder failure contaminated detached scale Encoder Board failure ADF Motor failure ADF drive overload paper jam foreign object Cable disconnection 0x0D ADF BS excess loa...

Page 30: ...le disconnection 0x26 ALD PID driving time error ALD motor failure Motor driver failure Cable disconnection 0x30 Option error MAIN B connection error Main Board failure Connected error between the Main board and SCN Main Board SCN Main Board failure 0x31 MAIN A connection error Main Board failure Scanner FFC connection failure 0x36 Paper jam error Paper jam Foreign object 0x41 FB PID excess speed ...

Page 31: ...minated detached scale Encoder Board failure ADF Motor failure ADF drive mechanism overload assembling failure lubrication failure Cable disconnection 0x4D FB BS excess load error ADF Encoder failure contaminated detached scale Encoder Board failure ADF motor failure ADF drive mechanism overload assembling failure lubrication failure Cable disconnection 0x4E FB BS driving time error SCN Main board...

Page 32: ...r Ink Out Error Replace the ink pack Ink end error Ink Out Error Replace the ink pack Print error Ink Out Error Replace the ink pack Maintenance box nothing error Maintenance Box Nothing Error Replace the maintenance box Maintenance box CSIC error Maintenance Box CSIC Error Replace the maintenance box Maintenance box full error Maintenance Box Full Error Replace the maintenance box Double feed err...

Page 33: ...ng information is stored Note For error codes see Table 1 9 Error Code List p 33 Nonvolatile memory Power failure log 2 Fax Log The information stored in this log is the same as the communication log However since the airtime is Unknown in this case the result of it is recorded as power failure Nonvolatile memory The communication log is not stored under the following conditions When the sending o...

Page 34: ...ommunication error Error code 412 Communication error Communication error Error code 416 Communication error Communication error Error code 417 Communication error Communication error Error code 418 Communication error Communication error Error code 420 Fax signal was not detected during receive operation The call was a telephone call Not displayed 421 Communication error Communication error Error...

Page 35: ... error Communication error Error code 630 A busy tone was detected after dialing Talking Line Busy Talking Line Busy 631 Communication error Communication error Error code 632 Communication error Communication error Error code 633 Communication error Communication error Error code 634 A fax signal was not detected for a given length of time after dialing No Answer No Answer 637 A dial tone was not...

Page 36: ...message when a scanner fatal error occurred Error code F61 A printer fatal error occurs Same message when a printer fatal error occurred Error code F62 Reserved Error code F63 ADF misfeed or paper jam occurred Same message when an ADF fatal error occurred ADF Jam F64 The memory for printing received image is full Error code Error code Table 1 10 Command Response Code Command response code FCF valu...

Page 37: ...al End Of Selection PPS NULL BE 00 Partial Page Signal partial page boundary EOR EOM CE 8E End Of Retransmission End Of Message EOR MPS CE 4E End Of Retransmission Multi Page Signal EOR EOP CE 2E End Of Retransmission End Of Procedure EOR PRI EOM CE 9E End Of Retransmission Procedure Interrupt End Of Message EOR PRI MPS CE 5E End Of Retransmission Procedure Interrupt Multi Page Signal EOR PRI EOP ...

Page 38: ...ard is not damaged and retry 706 880 884 F21 F27 F28 F2F F51 F59 A system error fax circuit failure occurs Replace the FAX board with a new one Memory full Out of Memory Ask the sender to re send the fax in several batches 871 Maximum number of files is exceeded F60 A scanner fatal error occurred See Table 1 3 Fatal Error List Printer p 20 See Table 1 4 Fatal Error List ADF Scanner p 28 F61 A prin...

Page 39: ... data deleted from the memory can not be restored Images run off the paper Auto reduction is set to off Set auto reduction to on and reprint the data Paper size setting does not match the size of the received data Choose the correct setting and reprint the data Paper size setting does not match the size of papers in the tray Choose the correct setting or load correct sized papers in the tray and r...

Page 40: ...ake sure to release the shorter hook first when removing the mechanical contact sensor Mechanical contact sensor Hook short Hook long Mechanical contact sensor Back Hook short Hook long Name Availability EPSON Part Code Remarks Phillips screwdriver 1 O 1080530 JIS B1012 1985 Phillips screwdriver 2 O JIS B1012 1985 Flathead screwdriver 3 O Qty two Total length 195mm Shaft length 100mm Grip diameter...

Page 41: ...O Sonic Tension Meter U508 O 1640645 Sonic Tension MetereU507 EPSON Part Code 1294120 EPSON WF R8590 WF R8591 WF R8593 Revision F Note 1 Some of the tools listed above are commercially available 2 EPSON provides the tools listed with EPSON part code 2 1 1 1 Screw types used in the printer The screw types used in the printer are shown in the table below The screw types used in each part unit are in...

Page 42: ...1 C P SCREW 2 5X6 F ZN 3C 0 6 0 1N m S22 C P SCREW 3X4 F ZN 3C 0 6 0 1N m S23 SCREW MOUNT HEAD 0 3 0 05N m EPSON WF R8590 WF R8591 WF R8593 Revision F 2 1 2 Standard Operation Time for servicing the product The following are the standard operation time for servicing the product The underlined parts units are supplied as After Service Parts S24 SHOULDER BOLT 3X4 RASF 0 8 0 1N m S25 C B S TITE P4 SC...

Page 43: ...00 0 11 Duplex Unit 0 06 0 01 0 07 Rear Cover PE Sensor 1 54 0 09 2 03 Right Pick UP Roller Sensor 2 00 0 00 2 00 EPSON WF R8590 WF R8591 WF R8593 Revision F Left Pick Up Roller Sensor 2 00 0 00 2 00 Rear ADF Cover 3 24 0 00 3 24 Rear Sub ADF Cover 3 17 0 00 3 17 ADF Side Cover 3 37 0 00 3 37 ADF Paper End Side Cover 3 37 0 00 3 37 Front Sub ADF Cover 0 32 0 00 0 32 Front Main ADF Cover 2 55 0 00 ...

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