Do you have a question about the HP LaserJet 4250 and is the answer not in the manual?
Print Technology | Laser |
---|---|
Print Speed | Up to 45 ppm |
Print Resolution | Up to 1200 x 1200 dpi |
Monthly Duty Cycle | Up to 200, 000 pages |
Standard Input Capacity | 600 sheets |
Standard Output Capacity | 300 sheets |
Processor Speed | 400 MHz |
Memory | 64 MB (expandable to 512 MB) |
Media Sizes Supported | Letter, Legal, Executive |
Supported Operating Systems | Windows, Mac |
Details on available HP LaserJet printer models including base, n, tn, dtn, dtns, and dtnsl configurations.
Locating the model number and serial number on the printer's identification label.
Identification of front and rear hardware components and interface ports.
Information on included drivers, optional software, and installation for various operating systems.
Details on hardware, electrical, acoustic, print speed, and operating environment specifications.
Information on supported media, general guidelines, and specific media types to avoid.
Details on Hewlett-Packard limited warranty, print cartridge warranty, and service approach.
Overview of FCC regulations, environmental stewardship, and country/region-specific safety statements.
Recommended temperature, humidity, and location guidelines for printer installation.
Guidelines for printer installation on suitable surfaces with adequate ventilation and power.
Information on installing and uninstalling the printing system software.
Guide to the control panel layout, lights, buttons, and using the printer Help system.
Managing temporary settings, control-panel defaults, and setting the display language.
Overview of available menus like Information, Paper Handling, and Diagnostics for printer functions.
Instructions for cleaning printer components, including the fuser, to maintain print quality.
Guidance on replacing maintenance kit components and resetting the counter.
Procedures for updating printer firmware remotely using various methods.
Overview of the printer's four main systems and the operating sequence from power-on to output.
Explanation of the laser/scanner assembly, its components, and latent image formation.
Details on toner transfer from drum to media and fusing the image using heat and pressure.
Description of paper path, sensors, motors, and jam prevention mechanisms.
Explanation of the fuser's role in image bonding and the output delivery assembly.
Overview of sensors used for detecting media presence and jams in the paper path.
General guidelines and required tools for printer part removal and replacement.
Instructions for replacing user-replaceable components like the print cartridge and transfer roller.
Diagrams and procedures for removing major internal printer assemblies.
Steps for diagnosing problems using checklists, flowcharts, and troubleshooting tools.
Procedures for cold reset, NVRAM initialization, and hard-disk initialization.
Instructions for printing engine-test and formatter test pages to verify functionality.
Diagnosing communication issues with parallel, EIO, and network connections.
Explanation and solutions for status, warning, error, and critical error messages.
Guidance on clearing jams, avoiding jams, and using paper-path tests.
Methods for diagnosing and resolving print quality issues like streaks, dots, and voids.
Information on ordering replacement parts, consumables, and accessories from HP.
List of consumables (cartridges, kits) and accessories with product and service numbers.
Diagrams and part numbers for internal components like motors, sensors, and assemblies.
Diagrams and part numbers for optional accessories like feeders and staplers.
An alphabetical listing of all printer parts with part numbers and their corresponding table and page.
A numerical listing of all printer parts with part numbers and their corresponding table and page.