Printers Manuals

This manual describes functions, theory of electrical and mechanical operations, maintenance, and repair of LQ-300.

The instructions and procedures included herein are intended for the experience repair technician, and attention should be given to the precautions on the preceding page.

Table of contents this service manual

CHAPTER 1. PRODUCT DESCRIPTION
Provides a general product overview, lists specifications, and illustrates the main components of the printer.
CHAPTER 2. OPERATING PRINCIPLES
Describes the theory of printer operation.
CHAPTER 3. DISASSEMBLY AND ASSEMBLY
Includes a step-by-step guide for product disassembly and assembly.
CHAPTER 4. ADJUSTMENTS
Includes a step-by-step guide for adjustment.
CHAPTER 5. TROUBLESHOOTING
Provides Epson-approved techniques for adjustment.
CHAPTER 6. MAINTENANCE
Describes preventive maintenance techniques and lists lubricants and adhesives required to service the equipment.
APPENDIX
Describes connector pin assignments, circuit diagrams, circuit board component layout and exploded diagram.

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The printer provides 1200 dot-per-inch (dpi) printing. The HP LaserJet 1150 prints 18 pages per minute (ppm) on lettersize paper or 17 ppm on A4. The HP LaserJet 1300 prints 20 ppm on
letter-size paper or 19 ppm on A4. With 600 x 2 (Fast Res 1200) printing resolution, these printers have exceptional text and graphics print quality. The simple control panel and improved paper handling make this product very easy to use.

The printer’s main input tray has a 250-sheet capacity for continuous, multiple-page printing. Manual, single-sheet printing is possible through the priority input tray. Both trays are center-justified for all supported paper sizes. The printer output bin holds up to 125 sheets. The printer has a very fast first-page-out, at less than 10 seconds. The formatter board contains 8 MB of ROM, 8 MB of RAM, and an embedded 32-bit Coldfire V3 processor. The HP LaserJet 1300 has one DIMM slot available for DIMM expansion (supporting an 8 MB, 16 MB, 32 MB, or 64 MB DIMM). The printer engine has a 1,000 average (10,000 peak) page-permonth duty cycle. The standard print cartridge life is 2,500 pages, and, for the HP LaserJet 1300 series, the high capacity print cartridge life is 4,000 pages.

The HP LaserJet 1300n printer is network ready with an HP Jetdirect 200m print server included.

Contents of this service manual

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