Canon iR2200 Service Handbook page 178

CHAPTER 5 SERVICE MODE
<DENS>
Use it to fine-adjust the copy density auto correction mechanism.
If you have cleared the RAM on the DC controller PCB and replaced the PCB, be sure to
enter the settings indicated on the service label.
DENS-ADJ
Use it to correct the density of images (copier/printer).
Use it to correct the F-value table if the image is foggy or the high-density
area is fuzzy.
Range of 1 to 9; default: 5
adjustment
<BLANK>
Use it to adjust the non-image width.
If you have cleared the RAM on the DC controller PCB and replaced the PCB, be sure to
enter the settings indicated on the service label.
BLANK-T
Use it to enter the leading edge non-image width.
Range of -100 to +100
adjustment
BLANK-B
Use it to enter the trailing edge non-image width.
Range of -100 to +100
adjustment
5-50
White
Black
Original density
A lower setting
decreases fogging.
F05-401-07
COPIER>ADJUST>DENS
F9
F1
White
A higher setting
decreases fuzziness.
COPIER>ADJUST>BLANK