Carriage Drive Mechanism - Brother DCP130C Service Manual
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Also See for DCP130C:
- User manual ,
- Software user's manual (155 pages) ,
- Quick setup manual (24 pages)
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3.2.2.3
Carriage drive mechanism
The head/carriage unit, which integrates the print head unit and carriage, is supported and guided
by the CR guide rail and CR support chassis. The CR timing belt transmits the carriage motor
rotation to the head/carriage unit. Clockwise motor rotations move the head/carriage unit to the
right; counterclockwise ones to the left.
The CR encoder sensor on the top of the head/carriage unit scans the CR encoder strip above the
CR support chassis to monitor the current head position relative to the home position. The
controller uses this signal for robust control ensuring uniform speed.
The CR encoder strip is a clear film striped in a 1/150 inch cycle. It offers a choice of two travel
speeds of the head/carriage unit, 43.3 and 21.7 ips, to match the print resolution.
Idle pulley
CR encoder strip
(Front)
CR timing belt
CR support chassis
CR guide rail
CR encoder sensor
Head/carriage unit
Carriage motor
3-34
(Paper feed roller)
Carriage motor
pulley
(3_13)
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