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Confidential
[ 3 ] Head capping mechanism
When the power is off or the machine is not printing, this mechanism fits the head caps tightly over
the print head to prevent the head nozzles from drying up and to keep dust off the print nozzle
surface.
The pump switching unit connects the spaces inside the caps to the atmosphere to prevent internal
pressure fluctuations due to environmental changes from damaging the meniscuses. The ink
remaining inside these spaces seals them. (See the illustration below.)
This mechanism moves with the head/carriage unit. When the head/carriage unit returns to its home
position, it presses against the head cap holder in the maintenance unit. The lift arms in the
maintenance unit raise the head caps, fitting them tightly over the head nozzle surface to protect
them.
Head/carriage unit
Head cap unit
Lift arms
Head cap holder
Head cap for black ink
Print head
Head cap for color ink
Ink remaining in the tube
Color drain tube
Ink remaining in the tube
Main drain tube
Pump switching unit
Black drain tube
Summary of Contents for DCP-110C
Page 10: ...Confidential CHAPTER 1 PARTS NAMES FUNCTIONS ...
Page 14: ...1 3 Confidential 1 2 CONTROL PANEL MFC620CN FAX2440C ...
Page 17: ...1 6 Confidential MFC210C ...
Page 21: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Page 87: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Page 131: ...Confidential CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR ...
Page 136: ...Confidential CHAPTER 55 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 212: ...5 74 Confidential Routing C Backup battery harness and ink supply tubes MFC620CN and FAX2440C ...
Page 214: ...5 76 Confidential Viewed from the left ...
Page 220: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 240: ...6 18 Confidential Vertical Alignment Check Patterns ...
Page 243: ...6 21 Confidential Margin Check Pattern ...
Page 253: ...Confidential CHAPTER 7 CLEANING ...
Page 256: ...Confidential CHAPTER 8 MAINTENANCE MODE ...
Page 267: ...8 9 Confidential Scanning Compensation Data List a b c d e f i ...
Page 274: ...8 16 Confidential Configuration List ...
Page 294: ...8 36 Confidential 1st sheet 2nd sheet Vertical Alignment Check Patterns ...
Page 297: ...8 39 Confidential Margin Check Pattern ...
Page 311: ...Confidential CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING ...
Page 362: ...App 1 2 Confidential 2 Head property label Property label for the head carriage unit Location ...
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Page 466: ...Confidential February 05 SM FAX028 8CA811 8 Printed in Japan ...