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Confidential
3.2.2.4 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 (1/25.4 inch pitch) transmits the
carriage motor rotation to the carriage. Clockwise motor rotations move the carriage to the right;
counterclockwise ones to the left.
The CR encoder sensor on the back of the head/carriage unit scans the CR encoder strip under the
engine chassis to monitor the current head position relative to the home position. The controller
uses this signal for proportional, integration, differential (PID) control ensuring uniform speed. The
strip's 1/150 dpi markings offer a choice of four speeds to match the print resolution: 40.0, 33.3,
32.0, and 20.0 ips.
CR encoder strip
Idle pulley
CR timing belt
Carriage motor
Carriage
motor pulley
(Paper feed roller)
Head/carriage unit
CR guide rail
CR support chassis
Aging
Maintenance mode function code 69 is for adjusting the initial PWM value. The firmware
automatically adjusts this CR drive parameter as the head/carriage unit works to minimize speed
deviations and to match the current mechanism. This aging sometimes resolves problems with ink
clogging uneven operation.
For further details on maintenance function code 69, see
Содержание DCP-110C
Страница 10: ...Confidential CHAPTER 1 PARTS NAMES FUNCTIONS ...
Страница 14: ...1 3 Confidential 1 2 CONTROL PANEL MFC620CN FAX2440C ...
Страница 17: ...1 6 Confidential MFC210C ...
Страница 21: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Страница 87: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Страница 103: ...3 15 Confidential Front end ASSY Piezoelectric plate Laminated electrode Manifold Damper Nozzle plate A A A A Channel ...
Страница 131: ...Confidential CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR ...
Страница 136: ...Confidential CHAPTER 55 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Страница 168: ...5 30 Confidential Removing the head cover 2 Unlatch the head cover from the head carriage unit and pull it up ...
Страница 212: ...5 74 Confidential Routing C Backup battery harness and ink supply tubes MFC620CN and FAX2440C ...
Страница 214: ...5 76 Confidential Viewed from the left ...
Страница 220: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Страница 238: ...6 16 Confidential Paper Feeding Check Patterns for the Paper Feed Roller and Paper Ejection Roller A B ...
Страница 240: ...6 18 Confidential Vertical Alignment Check Patterns ...
Страница 243: ...6 21 Confidential Margin Check Pattern ...
Страница 253: ...Confidential CHAPTER 7 CLEANING ...
Страница 256: ...Confidential CHAPTER 8 MAINTENANCE MODE ...
Страница 267: ...8 9 Confidential Scanning Compensation Data List a b c d e f i ...
Страница 274: ...8 16 Confidential Configuration List ...
Страница 288: ...8 30 Confidential Paper Feeding Check Pattern for the Paper Feed Roller and Paper Ejection Roller A B ...
Страница 294: ...8 36 Confidential 1st sheet 2nd sheet Vertical Alignment Check Patterns ...
Страница 297: ...8 39 Confidential Margin Check Pattern ...
Страница 311: ...Confidential CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING ...
Страница 362: ...App 1 2 Confidential 2 Head property label Property label for the head carriage unit Location ...
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Страница 466: ...Confidential February 05 SM FAX028 8CA811 8 Printed in Japan ...