1999 HP DeskJet 1220C Professional Series Service Manual (231 P.)
Troubleshooting, calibration procedures, and removal sequences for DeskJet 1220C: thermal inkjet printhead, carriage assembly, service station mechanism.
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Models Covered & Key Technical Specifications
HP DeskJet 1220C Professional Series — 1999 Specialized Detailed Library | DeskJet 1220C Series Suite.
- Engineered Displacement Data: 11 mL (0.37 fl oz) is calibrated to the ink cartridge volume Requirements.
- Design Running Clearance: The print cartridge nozzle height is designed for 1.5 mm (0.059 in) above media surface Threshold.
- Documented Output Rating: Print cartridge installation torque provides 2.5 N·m (22 lb-in) for secure mechanical fastening Mapping.
- Prescribed Processing Speed: The carriage rod mounting requires M3 fasteners at 1.2 N·m (10.6 lb-in) torque Configuration.
- Nominal Resolution Data: Operating temperature range establishes -40 to 60°C (-40 to 140°F) thermal operation envelope Benchmarks.
- Primary System Fill: Complete printer assembly weight determines 2.0 kg (4.4 lb) in standard configuration Range.
Professional Workshop Service Manual & Technical Specifications
Detailed Service Manual: HP DeskJet 1220C Professional Series Knowledge-Base
Unit-Designations: HP DeskJet 1220C, 1220C/xi, 1220C/se // Architecture-Focus: Thermal Inkjet / Color Inkjet Logic // Year-Coverage: 1999 production reference.
| Documentation Section | Coverage Scope | Reference Details |
|---|---|---|
| Product Overview | Printer specifications and features | Complete specifications provided |
| Service Procedures | Hardware removal and replacement | Documented with exploded views |
| Troubleshooting Resources | Diagnostic tests and error codes | See Chapter 6 |
| Calibration Requirements | Pen-to-paper spacing procedures | Calibration tool specifications included |
| Parts Reference | Alphabetical and numerical listings | Complete assembly diagrams provided |
The manual presents information on product installation and configuration, detailing printer operation including keypad functions and control panel navigation, providing paper selection guidance spanning standard media to specialty transparencies, outlining maintenance procedures for cartridge care, and documenting troubleshooting workflows from software diagnostics to hardware repair sequences.
Rigorously mandating reference to thermal inkjet technology, the document includes coverage of print cartridge specifications with nozzle configurations ranging from 300 nozzles for black cartridges to 416 nozzles per color. Print resolution capabilities are documented spanning draft mode at 300x300 dpi through Photo REt III enhancement. The manual provides torque specifications for the print cartridge installation to ensure proper corrosion joint prevention.
Special procedures are addressed for removal and replacement operations requiring the TORX screwdriver configurations specified in the tools section. Verification procedures are included for bidirectional communication testing and interface cable connections supporting both USB and IEEE-1284 parallel protocols. Repair information is provided for service station mechanism assemblies, carriage motor systems, and logic PCA components. The document includes coverage of diagnostic test sequences including self-test patterns, nozzle verification procedures, calibration routines, and extended diagnostic outputs. Brake system specifications are included for paper feed mechanisms and drive roller assemblies managing media weights from 16 to 43 lb bond.
Technical reference data encompasses electrical system block diagrams identifying signal flow between the Helios C Digital ASIC, Arabian Analog ASIC, and associated SDRAM memory architecture. Parts catalogs document 200+ field-replaceable components organized through exploded view illustrations and cross-referenced numerical listings. Disassembly sequence trees guide service level procedures from consumer-removable output trays through calibration-required backbone assembly replacement. Environmental operating parameters specify temperature ranges from 15°C to 32°C with relative humidity tolerance between 20% to 80% non-condensing conditions.
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