HP LJ4250/LJ4350 Printer Control Panel Information and Help System Usage Instructions

About this manual

This document provides a comprehensive list of control panel messages displayed on the HP LJ4250/LJ4350 printers, indicating normal status or error conditions. Each message includes a description of the issue and suggested operational steps to resolve it, such as clearing paper jams, replacing consumables, or restarting the device.

The guide also details the usage of the printer's online help system, allowing users to access troubleshooting instructions directly from the control panel by pressing the Help button. It covers how to navigate the help menu using the Up and Down buttons and how to exit the system. This manual is written in Chinese.

What's inside

• Understanding Printer Information
• Using the Online Help System
• Resolving Persistent Messages
• Consumable Memory Errors
• Paper Jam Messages
• Memory Insufficient
• Page Too Complex
• EIO Cache Overflow
• USB I/O Cache Overflow
• Parallel I/O Cache Overflow

Frequently asked questions

How do I access the online help system on the control panel?

Press the Help button when a message alternates to display help information, then use the Up and Down buttons to scroll.

What should I do if a control panel message persists after suggested actions?

Contact an authorized HP service or support provider for assistance.

How do I clear a message indicating the output bin is full?

Remove all paper from the output bin [BINNAME] to allow the current print job to complete.

What is the recommended action for a 'Memory Insufficient' message?

Press the Select button to print the transmitted data (some data may be lost) and then simplify the print job or install additional memory.