HP Designjet L25500 Printer Series Maintenance and Troubleshooting Guide

About this manual

This guide offers comprehensive safety precautions, printer status checks, firmware update procedures, and hardware maintenance instructions for the HP Designjet L25500 large‑format printer.

It also covers troubleshooting of print‑quality issues, paper handling problems, ink‑system faults, error messages, and provides information on how to obtain support and service assistance. This manual is written in Chinese.

What's inside

• Safety Precautions
• Printer Status
• Firmware Update
• Hardware Maintenance
• Troubleshooting Print Quality Issues
• Troubleshooting Paper Issues
• Troubleshooting Ink System Issues
• Other Troubleshooting
• Front Control Panel Error Messages
• When You Need Assistance

Frequently asked questions

How can printer status information be retrieved via the embedded web server?

Open a web browser, enter the printer’s URL, then select Support → Troubleshooting → Printer Information.

What should be done if the printer cannot obtain an IP address?

Follow the troubleshooting steps listed under the “Other troubleshooting” section for IP address issues.