Canon iPF6100 Service Manual page 114

Chapter 2
b) Wiper unit
The wiper unit operated by the purge motor wipes the print head face.
The printer is provided with a pair of wiper blades for better wiping performance.
The wiping operation is performed by a "slide wipe" method by which the purge motor rotates (in the normal
direction) to slide the wiper blade via the wiper cam. It is performed by a constant-speed movement toward the
front of the printer as viewed from the printer front.
The wiper blade, which is positioned at right angles to the print head, wipes the entire printhead face, and then
the narrow blade is used to wipe the nozzle arrays.
After wiping, the wipe blades are cleaned before they are set at the wiping position so that the maximum wiping
performance is obtained.
During the wiper blade cleaning, the ink removed form the head is rubbed off by the in scraper.
Absorbent material soaked with glycerin is pressed against the wiper blades to enhance the wiping performance.
The amount of glycerin used (tank capacity: 50 ml) is managed by counting the number of times the wiper blade
is pressed against the absorbent material. When the count reaches the following value, an advance notice of
replacement (printing can be continued) or a request for replacement (service call error) is displayed.
Glycerin absorbent material
Glycerin tank
2-36
Advance notice of replacement
Service call
Ink scraper
T-2-7
47,500times
50,000times
Printhead
Cap
F-2-17
Wiper blade
Blade holder