The Epson WorkForce WF-4515, WF-4525, WF-4535, WF-4545, and WF-4595 series printers belong to the WorkForce Pro segment, designed for offices with high printing demands and performance requirements. They are notable for their fast print speeds, automatic duplex printing, flexible network connectivity (Wi-Fi, Ethernet), high-capacity automatic document feeders (ADF), and often feature easily replaceable Maintenance Boxes. These features optimize workflows and boost productivity for users.
However, after a significant period of operation and reaching a certain number of prints, like most Epson inkjet printers, these WorkForce Pro models may suddenly cease operation and display a “Service Required” error message or have alternating blinking indicator lights on the control panel. This is a common indication that the waste ink counter is full or the Maintenance Box needs to be reset, and you need the Epson WorkForce WF-4515/WF-4525/WF-4535/WF-4545/WF-4595 Adjustment Program to resolve it.
Why Do Epson WorkForce WF Series Printers Show “Service Required”?
Every Epson inkjet printer incorporates a waste ink management system. This ink is generated during print head cleaning cycles (to prevent clogs and maintain print quality) or when the printer performs other internal maintenance routines. Higher-end WorkForce Pro models like the WF-45xx typically utilize a Maintenance Box (containing absorbent pads) to conveniently collect this excess ink.
To prevent excessive waste ink accumulation and overflow (which could lead to severe damage to internal components or leakage into the environment), Epson has integrated a counter into the printer’s firmware. When this counter registers that the amount of waste ink has reached its manufacturer-programmed limit, or when the Maintenance Box is reported as full, the printer will automatically lock up for protection and display an error message, prompting the user for service.
Common signs of this error on the Epson WorkForce WF-4515, WF-4525, WF-4535, WF-4545, WF-4595 series include:
- An error message on your computer screen: “A printer’s ink pad is at the end of its service life. Please contact Epson support.” or “Service Required.”
- Sometimes, messages related to “Maintenance Box full” may appear.
- The indicator lights on the printer’s control panel blinking alternately or simultaneously (typically the ink and paper lights).
- The printer refusing to execute any print, copy, scan, or fax commands, even though it’s powered on.
Epson WorkForce WF-4515, WF-4525, WF-4535, WF-4545, WF-4595 Adjustment Program: Your Effective Troubleshooting Tool
The Epson WorkForce WF-4515/WF-4525/WF-4535/WF-4545/WF-4595 Adjustment Program (also known as Resetter) is a specialized service software that allows you to access and adjust the technical parameters of your printer. This is an essential tool for you to troubleshoot the “Service Required” error and many other printing issues yourself without needing to take the printer to a repair shop, significantly saving time and money.
The main functions of the software include:
- Waste Ink Pad Counter Reset: This is the core and most critical function. It resets the waste ink counter to “0%” (new) status, thereby clearing the “Service Required” error and allowing your printer to resume operation immediately.
- Maintenance Box Counter Reset: For models with a T6710 or equivalent maintenance box, the software helps reset the counter associated with this box after you have replaced or reset the chip on the maintenance box.
- Powerful Head Cleaning: Performs more intense cleaning cycles than standard driver options. This is very useful when print heads are severely clogged, causing streaks, missing lines, or faded colors in your prints.
- Print Head Alignment: Helps realign the positions of the ink nozzles to ensure sharp, precise prints without misalignments or blurring.
- Nozzle Check Pattern Printing: Prints a special pattern that allows you to easily check if all ink nozzles are firing correctly, helping to quickly diagnose print quality issues.
- Printer Information Check: Displays detailed information about the printer’s operational parameters, including the number of pages printed, estimated ink levels, and logged erro

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