M-7
5-3.
Laser Emission Timing
• When a READY signal is detected a given period of time after the print command has
been issued, the Controller/Mechanical Control Board outputs a laser ON signal.
• The laser ON signal makes a laser beam to be emitted and the laser beam travels to the
Polygon Mirror, G1 Lens, and the SOS Mirror to eventually hit the SOS Sensor, which
generates an SOS signal.
• The SOS signal determines the laser emission timing for each line in the main scanning
direction.
4136M517AA
SOS Mirror
G1 Lens
Polygon Mirror
SOS Sensor
Summary of Contents for MF Series
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Page 98: ...PRINTER 20 PPM SERVICE MANUAL TECHNICAL DOCUMENT 251 475 943 A...
Page 113: ...INDEX MECHANICAL ELECTRICAL GENERAL TROUBLESHOOTING DIS REASSEMBLY ADJUSTMENT MAINTENANCE...
Page 117: ...GENERAL...
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Page 146: ...MAINTENANCE...
Page 156: ...DIS REASSEMBLY ADJUSTMENT...
Page 168: ...TROUBLESHOOTING...