Epson WorkForce 635/620/60 Series Service Manual

Technical reference spanning WorkForce 635, WorkForce 620, and WorkForce 60 series printers. Includes disassembly, adjustments, maintenance, and troubleshooting procedures.

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Document Details

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Document Number / Seller:
30412 / Deborah Wilson
File Size:
23.13 MB
File Type:
PDF
Language:
English
Pages:
58
Printable:
Yes
Category:
Printer
Last updated / verified
Oct 30, 2025

Models Covered & Key Technical Specifications

Epson WorkForce 635/620/60 Series (Printer Service Manual) - Comprehensive Diagnostics and Maintenance Manual | Procedural Digest. Folder.

  • Standard Operation Time: 4 to 1431 seconds
  • Number of screws secured: 1 to 8 screws
  • Voltage: 0-240 V
  • Printhead: 626 seconds for replacement
  • PF Motor: 1406 seconds for replacement
  • Maintenance counter reset: Required for Waste Ink Pad replacement

Professional Workshop Service Manual & Technical Specifications

Certified Performance Service Manual: Printer Official Epson WorkForce 635, 620, 60 Series - Comprehensive Diagnostics and Maintenance Manual Diagnostic-Reference

Machine-Range: WorkForce 635 series / WorkForce 620 series / WorkForce 60 series // Serial-Range: N/A / System-Identifier: Printer Logic.

Assessment-Element Operational-Logic Calibration-Standards
Standard Operation Time Measured in seconds for disassembly/reassembly tasks Data varies by specific part/unit and model series
Required Adjustments Indicated by 'O' or '---' for various components and procedures Detailed in Table 2-1. Required Adjustment List
Power-On Sequence Step-by-step operations described for normal and error recovery scenarios Illustrated with diagrams of carriage/PF roller movement
Troubleshooting Workflow Diagnoses problems based on error messages and operational issues Categorized by error type (e.g., Fatal Error, Major Problem, ADF Failure)
Fatal Error Codes Specific error codes (e.g., 01H, F1H) listed with possible causes Detailed in Table 4-3 and 4-4 for Printer and ADF/Scanner errors

Systematically demanding repairs are facilitated by this documentation, providing essential insights into the internal workings of the printer. The manual meticulously details each subsystem, outlining specific procedures for disassembly and reassembly, ensuring precise alignment and functional restoration. Diagrams and flowcharts visually guide technicians through complex processes, enhancing the accuracy of repairs.

Alignment specifications are included for printer components to ensure optimal performance and print quality. Reference data is included for lubrication points, detailing specific grease types, application amounts, and locations for efficient maintenance. This manual covers maintenance items and procedures designed to keep the printer in its optimum condition. Diagnostic procedures are covered for common issues and fatal errors. Wiring diagrams are provided for the connector diagram, aiding in troubleshooting electrical connections.

This document meticulously documents torque specifications for critical components to ensure proper seal compression uniformity, crucial for long-term printer reliability and performance.

FAQ

What **documented** safety precautions should be followed before disassembling or reassembling these Epson printers? keyboard_arrow_down

115 N-m is the minimum torque specification required for...

Confirm the **precise** lubrication requirements for the PF Roller Grounding Spring. keyboard_arrow_down

1540328 is the part code for the Stopper Holder Idle Roller, which should be used when the gap needs to be less than 0.3 mm.

What tools are necessary for **proper** testing parameters during adjustments? keyboard_arrow_down

Sonic tension gauge and plastic tweezers are required for the PF Timing Belt tension measurement.

Identify the **standard** diagnostic procedures for the "Fatal Error" code F1H. keyboard_arrow_down

F1H, PF PID excess load error, may be caused by PF Encoder failure, PF Motor failure, or PF drive mechanism overload.

What procedures are **necessary** for fluid capacity requirements on page 49? keyboard_arrow_down

Pages 49+ contain detailed information on power-on sequences, including normal operations and recovery from paper jam errors.

Customer Reviews

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Reviews (5)

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New
This manual has been invaluable for my repair business. The disassembly instructions are clear and easy to follow. Highly recommended!
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Rated 5 out of 5 stars
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I appreciate the troubleshooting section. It helped me fix a persistent issue quickly. The support team was also very responsive when I had questions.
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This manual covers everything you need to know. The adjustment guidelines are particularly useful. The download process was smooth, too!
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The maintenance tips are thorough and practical. My Epson printers have never run better! Plus, downloading the manual was a breeze.