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Service Manual
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Sensor (2nd transfer roll HP)
The sensor (2nd transfer roll HP) is used to detect the home position of the 2nd transfer roll assembly.
Printhead assembly
The printhead scans the four drum surface with four laser beams. It consists of four components: laser diode
(LD) card assembly, printhead motor, polygon mirror, and four start of scan card assemblies.
1.
LD card assembly — generates a laser beam with the four LDs. The beam is turned on or off according to
a print data signal. The printhead contains 4 LD card assemblies for the colors CMY & K.
2.
Printhead motor/polygon mirror — the polygon mirror is mounted to the shaft of the printhead motor, and is
rotated at a high speed by the printhead motor. The mirror rotation shifts the incidence and reflection
angles of a laser beam to scan the laser beam in the drum axial direction. The laser beam reaches the
polygon mirror as it passes through multiple lenses, mirrors, and windows. The laser beam then arrives at
the drum surface.
3.
SOS card assembly — when a laser beam hits the SOS sensor on the SOS card assembly, the beam is
converted to an electrical signal (SOS signal), and detects the initial position where a scan starts on each
line.
When a laser beam is scanned across the drum surface from one end to the other while turning on and off the
beam, one line of latent image is created. If the scanning by the laser beam is repeated while rotating the drum,
a two-dimensional image is created. The resolution in the scanning direction (from right to left) is determined by
the rotational speed of the printhead motor, depending on how quickly the laser is adjusted. The resolution in the
process direction (from top to bottom) is determined by the rotational speed of the printhead motor. (The higher
the scanning speed becomes, the sooner the scanning of the next row can be started.)
Sensor (2nd transfer
roll retract HP)
2nd transfer
roll assembly
2nd transfer roll
retract motor
Transfer belt
Содержание X945E
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Страница 111: ...General information 1 79 7510 Go Back Previous Next Duplex ...
Страница 416: ...3 36 Service Manual 7510 Go Back Previous Next Exiting Configuration Menu See Exiting Configuration Menu on page 3 50 ...
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Страница 465: ...Repair information 4 33 7510 Go Back Previous Next 4 Remove the media out actuator A Front Bosses Lower view A ...
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Страница 483: ...Repair information 4 51 7510 Go Back Previous Next Connectors A ...
Страница 506: ...4 74 Service Manual 7510 Go Back Previous Next 9 Remove the transfer belt lift latch assembly A A ...
Страница 567: ...Repair information 4 135 7510 Go Back Previous Next 7 Remove the scanner PS cooling fan assembly A Connector A ...
Страница 608: ...4 176 Service Manual 7510 Go Back Previous Next 8 Remove the shafts D 9 Remove the tray support rolls B ...
Страница 623: ...Repair information 4 191 7510 Go Back Previous Next ...
Страница 626: ...4 194 Service Manual 7510 Go Back Previous Next 8 Remove the media feed lift motor B A B Connector Rear ...
Страница 643: ...Repair information 4 211 7510 Go Back Previous Next 4 Remove the tray module drive motor A A Connector ...
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Страница 715: ...Connector locations 5 1 7510 Go Back Previous Next 5 Connector locations Locations ...
Страница 720: ...5 6 Service Manual 7510 Go Back Previous Next Printhead Polygon mirror motor ...
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Страница 729: ...Connector locations 5 15 7510 Go Back Previous Next Switch media size Switch TTM media size ...
Страница 730: ...5 16 Service Manual 7510 Go Back Previous Next Media feed unit assembly Sensor tray 4 feed out ...
Страница 743: ...Parts catalog 7 9 7510 Go Back Previous Next Assembly 8 Media feed unit 3 11 13 5 9 2 10 6 4 12 1 8 6 7 14 ...
Страница 765: ...Parts catalog 7 31 7510 Go Back Previous Next Assembly 29 Electrical 1 3 5 9 2 10 6 4 8 1 7 ...
Страница 768: ...7 34 MFP Service Manual 7510 Go Back Previous Next Assembly 31 Electrical 3 8 9 2 3 7 10 1 5 6 4 ...
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Страница 774: ...7 40 MFP Service Manual 7510 Go Back Previous Next Assembly 35 ADF base 10 1 3 7 5 9 2 6 4 8 Front ...
Страница 776: ...7 42 MFP Service Manual 7510 Go Back Previous Next Assembly 36 ADF feeder 3 13 7 5 2 12 6 4 8 1 11 10 9 ...
Страница 780: ...7 46 MFP Service Manual 7510 Go Back Previous Next Assembly 38 ADF media guide 3 10 5 9 2 6 8 1 4 7 10 11 12 ...
Страница 787: ...Parts catalog 7 53 7510 Go Back Previous Next Assembly 43 CCD lens assembly 3 11 5 8 2 9 6 4 7 1 10 ...
Страница 792: ...7 58 MFP Service Manual 7510 Go Back Previous Next Assembly 46 Scanner optics 3 7 5 2 6 4 1 2 2 2 1 2 2 ...
Страница 797: ...Parts catalog 7 63 7510 Go Back Previous Next Assembly 50 1TM feed unit assembly 4 3 5 4 1 2 ...
Страница 799: ...Parts catalog 7 65 7510 Go Back Previous Next Assembly 51 1TM media feed unit 3 11 13 5 9 2 10 6 4 12 1 8 6 7 14 ...
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Страница 804: ...7 70 MFP Service Manual 7510 Go Back Previous Next Assembly 54 3TM covers 3 5 2 4 1 ...
Страница 806: ...7 72 MFP Service Manual 7510 Go Back Previous Next Assembly 55 3TM feed unit assembly 4 3 5 4 1 2 4 4 ...
Страница 808: ...7 74 MFP Service Manual 7510 Go Back Previous Next Assembly 56 3TM media feed unit 3 11 13 5 9 2 10 6 4 12 1 8 6 7 14 ...
Страница 810: ...7 76 MFP Service Manual 7510 Go Back Previous Next Assembly 57 3TM left door 5 8 6 1 2 3 7 4 8 4 9 9 9 ...
Страница 812: ...7 78 MFP Service Manual 7510 Go Back Previous Next Assembly 58 3TM drive and electrical ...
Страница 815: ...Parts catalog 7 81 7510 Go Back Previous Next Assembly 60 TTM media trays 3 5 4 3 7 2 6 8 1 ...
Страница 817: ...Parts catalog 7 83 7510 Go Back Previous Next Assembly 61 TTM media tray 3 3 7 5 2 6 1 5 9 8 4 4 3 ...
Страница 824: ...7 90 MFP Service Manual 7510 Go Back Previous Next Assembly 67 TTM drive and electrical ...
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