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Epson WF-R8590 Service Manual
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Epson WF-R8590 Service Manual

Revisione color ink jet printer
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SERVICE MANUAL
SERVICE MANUAL
EPSON WF-R8590
EPSON WF-R8590
EPSON WF-R8591
EPSON WF-R8591
EPSON WF-R8593
EPSON WF-R8593
 RevisionE Color Ink jet Printer
 RevisionE Color In
k jet Printer
CONFIDENTIAL
CONFIDENTIAL
SEMF14-006
SEMF14-006

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Summary of Contents for Epson EPSON WF-R8590

  • Page 1 SERVICE MANUAL SERVICE MANUAL  RevisionE Color In  RevisionE Color Ink jet Printer k jet Printer EPSON WF-R8590 EPSON WF-R8590 EPSON WF-R8591 EPSON WF-R8591 EPSON WF-R8593 EPSON WF-R8593 CONFIDENTIAL CONFIDENTIAL SEMF14-006 SEMF14-006...
  • Page 2 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.
  • Page 3 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.
  • Page 4 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 hnician. n. 2. 2. No work shou...
  • Page 5 8. 8. When di When disassemb sassembling or as ling or assembli sembling this pro ng this product, m duct, make sure to we ake sure to wear glove ar gloves to avoid inj s to avoid injuries fr uries from metal p om metal parts arts with sharp edges.
  • Page 6 About This Manual About This Manual This manual, consists of the following chapters, is intended for repair service personnel and includes information This manual, consists of the following chapters, is intended for repair service personnel and includes information necessary for properly performing maintenance and servicing the product. necessary for properly performing maintenance and servicing the product.
  • Page 7 Revision Status Revision Status J J u u l l y y 8 8 t t h h , , 2 2 0 0 1 1 4 4 F F i i r r s s t t R R e e l l e e a a s s e e J J a a n n .
  • Page 8 Revision Date of Issue Description Dec. 15.2015 Chapter 2 2.1.1 Tools (p.40) 2.1.1.1 Screw types used in the printer (p.41) 2.1.2 Standard Operation Time for servicing the product (p.42) 2.3.1.2 Ink flushing (p.61- p.62) 2.3.1.3 Initial Ink charge (p.62) 2.3.3.14 Front Housing (p.80) 2.3.5.3 Main Board Unit (p.99 - p.101) 2.3.5.8 Power Supply Unit (p.110 - p.111) 2.3.6.1 Print Head (p.113, p.114)
  • Page 9 Revision Date of Issue Description May 24, 2016 Revise the contents.  Chapter 2  Made change description of the disassembly/reassembly procedure in "2.3.6.1 Print Head (p114)".  Made change description of the disassembly/reassembly procedure in "2.3.6.15 Ink Supply Unit (p148)". ...
  • Page 10  EPSON WF-R8590 Revision F Contents Chapter 1 Troubleshooting 1.1 Troubleshooting............................... 14 1.1.1 Troubleshooting Workflow ..........................14 1.2 Power-On Sequence ..............................17 1.3 Fatal Error Code List ............................... 20 1.3.1 FAX Troubleshooting............................. 32 1.3.1.1 FAX Log ..............................32 1.3.1.2 Error Code/Superficial Phenomenon-Based Troubleshooting .............. 37 Chapter 2 DISASSEMBLY/REASSEMBLY ...
  • Page 11  EPSON WF-R8590 Revision F 2.3.5.4 Main Board ............................107 2.3.5.5 Interface Board ............................ 108 2.3.5.6 Wireless LAN Module......................... 109 2.3.5.7 CSIC Board (BK)..........................110 2.3.5.8 Power Supply Unit..........................111 2.3.6 Carriage Mechanism/ Ink System Mechanism ..................... 114 2.3.6.1 Print Head ............................114 2.3.6.2 CR Waste Ink Pad..........................
  • Page 12  EPSON WF-R8590 Revision F 2.3.9.3 ADF Cover Assy..........................221 2.3.9.4 Rear ADF Cover/ Rear Sub ADF Cover ..................... 222 2.3.9.5 Front Sub ADF Cover/ Front Main ADF Cover.................. 223 2.3.9.6 Document Cover Mat Assy........................225 2.3.9.7 ADF Pad Assy ............................. 225 2.3.9.8 ADF Cover Microswitch ........................
  • Page 13  EPSON WF-R8590 Revision F 3.2.1.3 ASF Timing Belt Tension Measurement ..................... 287 3.2.2 PG Adjustment ............................. 289 3.2.2.1 PG Adjustment procedure........................289 3.2.2.2 Preparation ............................290 3.2.2.3 PG adjustment procedure........................293 3.2.2.4 Checking the Platen Gap........................295 3.2.3 Ink Leak Check............................. 296 3.2.3.1 Method of using the Leakage Check PET Chip.
  • Page 14 CHAPTER  1 TROUBLESHOOTING Confidential...
  • Page 15  EPSON WF-R8590/WF-R8591/WF-R8593  Revision F 1.1 Troubleshooting This section describes the troubleshooting workflow. 1.1.1 Troubleshooting Workflow The following page describes the troubleshooting workflow. Follow the flow when troubleshooting problems.  This flowchart is compiled based on the following contents. • Our experience regarding the quality problem.
  • Page 16 • Contamination of Scanner • Ink clogging of Printhead [Major Troubleshooting] • Document Pad replacement Glass • Contamination on Cap Unit / • Recommendation of EPSON • CIS Unit replacement • Foreign material Wiper of Ink system Assy media • Scanner Motor replacement •...
  • Page 17 • Contamination of Scanner • Ink clogging of Printhead [Major Troubleshooting] • Document Pad replacement Glass • Contamination on Cap Unit / • Recommendation of EPSON • CIS Unit replacement • Foreign material Wiper of Ink system Assy media • Scanner Motor replacement •...
  • Page 18  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F 1.2 Power-On Sequence This section describes the power-on sequences for this product. The preconditions are as follows. The following explains how to use the simplified diagrams in Table 1-1 or Table 1-2. The diagrams show the movement of each component as seen from the front of the printer.
  • Page 19  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F Table 1-1. Power-on Sequence Movement of Operation Motor Motor Motor Components rotation rotation rotation 3-4.The CR Motor rotates clockwise and it confirms the CR Unit touches the Left Frame.* 3-5.The CR Motor and PF Motor stop.
  • Page 20  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F Table 1-1. Power-on Sequence Movement of Operation Motor Motor Motor Components rotation rotation rotation 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...
  • Page 21  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F 1.3 Fatal Error Code List This section describes the fatal error code and the possible cause for this product.  Printer fatal error list Table 1-3. Fatal Error List (Printer) Error Error type Error name Possible cause code •...
  • Page 22  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F Table 1-3. Fatal Error List (Printer) Error Error type Error name Possible cause code • Opt1 ASF Encoder failure (contaminated/detached scale, Encoder Board failure) • Opt1 ASF motor failure 0 x73 Op t1 ASF PI D lo ck er ror  ...
  • Page 23  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F Table 1-3. Fatal Error List (Printer) Error Error type Error name Possible cause code • Opt2 ASF Encoder failure (contaminated/detached scale, Encoder Board failure) • Opt2 ASF motor failure 0x82 Opt2 ASF PID reverse error  • Pickup Roller driven mechanism overload (paper jam/foreign object) •...
  • Page 24  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F Table 1-3. Fatal Error List (Printer) Error Error type Error name Possible cause code • Decompress motor failure 0x96 Decompress pump motor drive time error  • Main board failure • Head FFC failure 0x97 Head drive circuit VBS over-voltage error ...
  • Page 25  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F Table 1-3. Fatal Error List (Printer) Error Error type Error name Possible cause code • Protection material remains • Opt3 LFT Motor Failure • Opt3 ASF Encoder failure (contaminated/detached scale, Encoder 0xA7 Opt3 LFT PID excess load error ...
  • Page 26  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F Table 1-3. Fatal Error List (Printer) Error Error type Error name Possible cause code • Ink cartridge failure • CSIC Loose connection 0xB9 Ink device error   • CSIC Terminal failure • CR Contact Module failure •...
  • Page 27  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F Table 1-3. Fatal Error List (Printer) Error Error type Error name Possible cause code • Main board failure 0xDD LFT PID excess speed error  • Pickup Roller driven mechanism overload (paper jam/foreign object) 0xDE ASF PID driving time error •...
  • Page 28  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F Table 1-3. Fatal Error List (Printer) Error Error type Error name Possible cause code • APG encoder failure (contaminated/detached scale, Encoder Board failure) 0xEC APG PID excess speed error  • Motor driver failure (Main board failure) •...
  • Page 29  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F  ADF/Scanner fatal error list Table 1-4. Fatal Error List (ADF/Scanner) Error type Error code Error name • ADF Encoder failure (contaminated/detached scale, Encoder Board failure) 0x01 ADF PID excess speed error   • Motor driver failure (SCN Main board failure) •...
  • Page 30  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F Table 1-4. Fatal Error List (ADF/Scanner) Error type Error code Error name • CIS Unit failure • Scanner Housing failure (Including wrong attachment of the origin mark) • SCN Main board failure Opposite side wrong contact detection distance 0x13 •...
  • Page 31  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F Table 1-4. Fatal Error List (ADF/Scanner) Error type Error code Error name • ADF Encoder failure (contaminated/detached scale, Encoder Board failure) • ADF motor failure 0x45 FB PID excess load error   • ADF drive mechanism overload (assembling failure, lubrication failure) •...
  • Page 32  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F  Inspection mode error list Table 1-6. Inspection mode error list Error name Error indication Remedy Fatal error Fatal Error Code: 0xXX Refer to " Fatal Error Code List (p20)". Printer failure error Fatal Error Code: 0xXX Refer to"...
  • Page 33  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F 1.3.1 FAX Troubleshooting 1.3.1.1 FAX Log When an error related to fax occurs, it is not only indicated on the LCD but also saved as a log file. The error code is recorded in it, and according to this log, the contents of the error can be confirmed.
  • Page 34  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F Table 1-8. FAX Log (2) Log Name Description Save Destination The following information of the latest communication is stored. Item Information Communication start Year/month/day/hour/minute date / time Communication type Sending/receiving/polling reception Sending/polling reception: • Destination name of speed dial (first 20 characters) •...
  • Page 35  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F Table 1-9. Error Code List Error Code Phenomenon LCD Display Print Example (HEX) Communication error Communication error Error code Communication error Communication error Error code Communication error Communication error Error code Communication error Communication error Error code...
  • Page 36  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F Table 1-9. Error Code List Error Code Phenomenon LCD Display Print Example (HEX) System error System Error Error code Communication error Communication error Error code Communication error Communication error Error code Communication error Communication error Error code...
  • Page 37  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F Table 1-10. Command/Response Code FCF value (HEX) Command/response (LSB first: X=0) Content code First Second Reserved (IRA) Internet Routing Address ConFirmation to Receive Failure To Train Response for Continue To correct Reserved (CSA) Called Subscriber internet Address...
  • Page 38  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F 1.3.1.2 Error Code/Superficial Phenomenon-Based Troubleshooting This section explains the troubleshooting procedures based on the error codes and superficial phenomenon.  When an error occurs, it may be displayed on the LCD panel with a message instead of an error code.
  • Page 39  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F Table 1-11. Troubleshooting Based on the Error Code/Superficial Phenomenon Error code (LCD Description Remedy Message)/Phenomenon The size of the memory is 2.0 Cannot print all the Mbyte. If the data becomes over received data when Ask the sender to res end the data if necessary because the data the set threshold, oldest data are  printing data stored in...
  • Page 40 Strong tape No.388 Blue Acetate tape 1003963 Back Teflon tape Hook (long) Rope Mechanical contact sensor Double-clip Magnetizer Hook (short) Tie-wrap Nylon (length 70mm Cotton Swab Cleaning Sheet Sonic Tension Meter U508 Sonic Tension MetereU507 1640645 EPSON Part Code: 1294120...
  • Page 41 C.B.P(W2)-TITE SCREW,3X8,F/ZN-3C 0.6 ± 0.1N  Note 1:Some of the tools listed above are commercially available. · C.B.P-TITE SCREW,2.5X5,F/ZN-3C 0.2 ± 0.05N 2: EPSON provides the tools listed with EPSON part code · C.B.P-TITE SCREW,3X10,F/ZN-3C 0.6 ± 0.1N · C.C.P-TITE SCREW,3X6,F/ZN-3C 0.6 ±...
  • Page 42 C.B.P(W2)-TITE SCREW,3X8,F/ZN-3C 0.6 ± 0.1N  Note 1:Some of the tools listed above are commercially available. · C.B.P-TITE SCREW,2.5X5,F/ZN-3C 0.2 ± 0.05N 2: EPSON provides the tools listed with EPSON part code · C.B.P-TITE SCREW,3X10,F/ZN-3C 0.6 ± 0.1N · C.C.P-TITE SCREW,3X6,F/ZN-3C 0.6 ±...
  • Page 43  EPSON WF-R8590/WF-R8591/WF-R8593 Revision F 2.1.2 Standard Operation Time for servicing the product Symbol Screw Type Torque · SHOULDER BOLT,3X4,RASF 0.8 ± 0.1N The following are the standard operation time for servicing the product. The underlined  parts/units are supplied as After Service Parts.

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