
Do you have a question about the HP LaserJet 4L and is the answer not in the manual?
| Print Technology | Laser |
|---|---|
| Print Resolution | 600 x 600 dpi |
| Print Speed | 4 ppm |
| Input Capacity | 100 sheets |
| Connectivity | Parallel |
| Processor | Motorola 68000 |
| Standard Memory | 1 MB |
| Maximum Memory | 5 MB |
| Printer Language | PCL 4 |
| Duty Cycle | 12, 000 pages per month |
| Paper Sizes | Letter, Legal, A4 |
Detailed comparison of printer models' features, including speed, resolution, and memory.
Technical specifications like dimensions, performance metrics, electrical, and environmental requirements.
Essential safety guidelines, including laser safety, toner handling, and electrical hazards.
Procedures for printer repair, including exchange programs and parts ordering.
Contact information and support resources for troubleshooting and product help.
Guidelines for printer installation environment, including ventilation, power, and lighting.
Instructions for storing, handling, refilling, and recycling HP toner cartridges.
Guidelines for selecting and using print media, including paper, envelopes, and labels.
Step-by-step guide for unpacking, setting up, and installing the printer.
Overview of printer control panel functions, lights, and buttons for operation.
Procedures for accessing and using the printer's service mode for diagnostics and configuration.
Steps for resetting the printer's memory and restoring factory default settings.
Methods for cleaning various printer components to maintain performance and print quality.
Detailed instructions for clearing paper jams from different areas of the printer.
Explanation of the DC controller's role in print engine activities and power distribution.
Details on the formatter PCA's functions, including data processing and communication.
Description of the laser printing process stages and image development.
Explanation of how the printer feeds paper, including sensors and rollers.
General guidelines and warnings for removing and replacing printer parts.
List of specialized tools needed for printer disassembly and reassembly.
Instructions for upgrading memory modules on the printer.
Procedures for removing various printer covers and doors for access.
Steps for removing and replacing components located on the left side of the printer.
Procedures for removing and replacing components located at the front of the printer.
Instructions for removing and replacing internal printer components.
Procedures for removing and replacing components located at the rear of the printer.
Steps for removing and replacing components located at the bottom of the printer.
A step-by-step guide to diagnose and resolve printer problems.
Information on printer error messages, codes, and troubleshooting steps.
Illustrations and causes of common image defects and their solutions.
Procedures for performing an engine test to diagnose print engine issues.
Causes of paper curl and recommended steps to lessen its impact.
Guides for adjusting specific printer settings for optimal performance.
Guidance on interpreting part lists and assembly diagrams for ordering.
List and specifications of common fasteners used in printer assembly.
Information on ordering optional accessories and consumables for the printer.
Diagrams showing the location of major printer assemblies.
An alphabetical listing of all printer parts with their part numbers and corresponding figures.
Pinout diagrams for DB-9 and DB-25 serial connections for the printer.
Instructions for connecting the printer to a LocalTalk network.
An alphabetical listing of topics covered in the manual for quick reference.











