Canon BJC6500 - BJC 6500 Color Inkjet Printer, Service Manual, Page: 40 / 115

Part 2: MAINTENANCE BJC-6500
2-12
2.4.2 When to perform print head position adjustment
As there are two BJ cartridges installed in this printer, even a slight difference in size
or seating position between them may result in inaccurate dot placement, and thereby
poor printing. To correct this, after installing the BJ cartridges, perform the
automatic print head position adjustment, one of the utilities the printer driver
package provides. If a computer is not available, you can still perform the print head
position adjustment in service mode. For the procedures, refer to
Part 3: 2.1 Service
Mode Operations (Page 3-8) . Set at least one sheet of B5 (or larger) plain paper in the
ASF, and select the print head position alignment pattern in the test print area of the
printer driver's Utility sheet.
When printing the print head position adjustment pattern, do not use
paper smaller than B5-sized paper.
Use paper of B5 size or larger for the nozzle check pattern printing. If you
use smaller paper, the platen may be smeared with ink.
LED calibration
360-dpi vertical alignment
adjustment
360-dpi bi-directional rough
adjustment
180-dpi bi-directional fine
adjustment
360-dpi horizontal alignment
forward rough adjustment
360-dpi horizontal alignment
forward fine adjustment
360-dpi horizontal alignment
reverse rough adjustment
360-dpi horizontal alignment
reverse fine adjustment
180-dpi horizontal alignment
forward rough adjustment
180-dpi horizontal alignment
forward fine adjustment
180-dpi horizontal alignment
reverse rough adjustment
180-dpi horizontal alignment
reverse fine adjustment
720-dpi horizontal alignment
forward rough adjustment
720-dpi horizontal alignment
forward fine adjustment
1440-dpi horizontal alignment
forward rough adjustment
1440-dpi horizontal alignment
forward fine adjustment
Printing position check
pattern
180-dpi bi-directional rough
adjustment
360-dpi bi-directional fine
adjustment
CAUTION
Figure 2-12 Print Position Adjustment Pattern