Smettere di rottami elettronici - ripararlo da solo

                                    Print method Electrophotography by semiconductor laser beam scanning
Resolution 600 dots/inch (under Brother Printing Solution for Windows)
Print speed 6 page/minute (when loading A4 or letter-size paper from the multipurpose
sheet feeder)
Warm-up Max. 20 seconds at 23°C (73.4°F)
First print 20 seconds (when loading A4 or letter-size paper from the multipurpose
sheet feeder)
Print media Toner in a cartridge
Life Expectancy: 2,200 pages/cartridge (when printing A4 or lettersize
paper at 5% print coverage)
Developer Drum unit, separated from toner cartridge

CHAPTER I: FEATURES AND SPECIFICATIONS
Features, specifications, etc.
CHAPTER II: THEORY OF OPERATION
Basic operation of the mechanical system, the electrical system and the electrical
circuit, and their timing.
CHAPTER III: DISASSEMBLY AND REASSEMBLY
Procedures of disassembling and reassembling the mechanical system.
CHAPTER IV: TROUBLESHOOTING
Reference values and adjustments, troubleshooting for image defects,
troubleshooting for malfunctions, etc.
APPENDICES: Connection diagrams, PCB circuit diagrams.
Note: There are each captions for HL-720 and HL-730/730Plus to divide this manual according to
the contents. You can fin the captions under the headings. Please pay attention to them On
the other hand, the headings have no captions that means the contents are common to HL-
720 and HL-730/730Plus.