2005 HP Color LaserJet 2820/2830/2840 Service Manual (438 P.)
20 ppm black, 4 ppm color all-in-one with V.34 fax and automatic document feeder. Covers image formation, laser/scanner system, and transfer belt cleaning procedures. Includes setup, maintenance, and parts lists.
Manual Preview
Sample pages from the 2005 HP Color LaserJet 2820/2830/2840 Service Manual (438 P.) manual
Purchase & Download
Models Covered & Key Technical Specifications
HP Color LaserJet 2820, 2830, 2840 — 2005 Comprehensive Diagnostic Handbook | LaserJet Series File.
- Nominal Wattage Specs: 224 W (average) is specified as the active color printing consumption Sequences.
- Prescribed Generation Capacity: For hydraulic fusing operation, 64.5 lbs (29.3 kg) indicates the maximum device weight Baseline.
- System Burn-in Temperature: The fuser assembly operates at 210°C (410°F) for 0.1 second — is configured at toner adhesion threshold Requirements.
- Calibrated Enclosure Specs: The print cartridge carousel requires 20.6 in (525 mm) height specifications for safe installation Threshold.
- Documented Fastener Specs: Black cartridge delivery reaches 5,000 pages at 5% coverage — signifies the rated page yield Mapping.
- Defined Electrical Specs: Modem transmission capability achieves 33,600 bps (bits per second) for V.34 fax communications Configuration.
Professional Workshop Service Manual & Technical Specifications
Systematic Field Manual: Printer Comprehensive Diagnostics: Hewlett Packard Color LaserJet 2820/2830/2840 All-in-One (2005) Service-Catalog
Performance-Values: HP Color LaserJet 2820, 2830, 2840 (2005) // Engine-Type: Electrophotographic Imaging System, Transfer Belt Assembly Architecture // Architecture-Focus: Multi-Function Device Systems Integration.
| Identifier | Baseline | Architecture |
|---|---|---|
| Print Engine | Four-color laser system (CMYK) | Engine control coordinates laser/scanner, image formation, and pickup/feed |
| Imaging Drum | 20,000 pages (black-only) | Nonvolatile E-label stores usage data |
| Print Cartridges | 5,000 (black); 2,000–4,000 (color) | Individual cartridge carousel rotation |
| Fax Subsystem | V.34 modem (2830/2840 models) | Formatter, LIU, safety isolation documented |
| Scanning System | 1200 ppi, 24-bit color | CCD array with cold-cathode lamp |
Factory procedures are documented for the pickup and feed system, the image-formation process including latent-image formation and developing stages, the transfer block and fusing operations, and the transfer-belt cleaning block subsystem. The document addresses the laser/scanner system, photosensitive drum mechanics, and engine control system architecture, along with scanning and ADF functions and operation. The manual provides comprehensive coverage of fax functions and operation for V.34 modem capability, PSTN operation and line interface unit design, and the formatter role in fax subsystem management.
Drivetrain specifications are addressed in the removal and replacement procedures, which identify required tools, screw types, and parts removal order for user-replaceable components including print cartridges, imaging drum, automatic document feeder, fuser assembly, and control-panel bezel. Reassembly procedures are specified for all major assemblies: laser/scanner, transfer roller plate, formatter cage, DC controller, top plate, gear assembly, print-cartridge carousel, and rotary-drive motor. Service intervals are documented for component life expectancies based on page coverage and utilization, with specific estimates for imaging drum, pickup rollers, separation pads, transfer rollers, fuser assemblies, and ADF mechanisms. Component locations are identified for the engine control system (DC controller, high-voltage and low-voltage power supplies), printed circuit assemblies (sub-high-voltage transformer, waste-toner detection, density detection, registration detection), motors and fans (main motor, developer motor, fuser motor, carousel motor, cooling fan), and solenoids and clutches throughout the device frame.
The document provides troubleshooting guidance organized by function type: print quality defects, media handling problems, performance issues, scan quality concerns, copy functionality, and fax transmission or reception errors. Control-panel messages are categorized as alert warnings, critical errors, and operational status indicators. Functional tests include engine test procedures, half self-test check, heating element test, cartridge high-voltage contact test, and paper-path test. Service-mode functions cover NVRAM initialization, secondary service menu access, and post-service verification protocols. Documented torque specifications ensure proper bearing preload accuracy and component assembly integrity throughout the device mechanical and electrical systems.
FAQ
Customer Reviews
Read what our customers say about this Hewlett Packard Printer manual and share your own experience.
Add a Review
This policy contains information about your privacy. By posting, you are declaring that you understand this policy:
- Your name, rating, website address, town, country, state and comment will be publicly displayed if entered.
- Aside from the data entered into these form fields, other stored data about your comment will include:
- Your IP address (not displayed)
- The time/date of your submission (displayed)
- Your email address will not be shared. It is collected for only two reasons:
- Administrative purposes, should a need to contact you arise.
- To inform you of new comments, should you subscribe to receive notifications.
- A cookie may be set on your computer. This is used to remember your inputs. It will expire by itself.
This policy is subject to change at any time and without notice.
These terms and conditions contain rules about posting comments. By submitting a comment, you are declaring that you agree with these rules:
- Although the administrator will attempt to moderate comments, it is impossible for every comment to have been moderated at any given time.
- You acknowledge that all comments express the views and opinions of the original author and not those of the administrator.
- You agree not to post any material which is knowingly false, obscene, hateful, threatening, harassing or invasive of a person's privacy.
- The administrator has the right to edit, move or remove any comment for any reason and without notice.
Failure to comply with these rules may result in being banned from submitting further comments.
These terms and conditions are subject to change at any time and without notice.
Reviews (2)