Canon GP160DF Service Manual page 477

CHAPTER 2 STANDARDS AND ADJUSTMENTS
3) Place the chart in the ADF and make a direct copy to A3 (297 × 420 mm) size paper.
The delivered copy is sample B. Make sure that the chart is correctly oriented.
Chart
(the surface with the lines is
to be placed on the back side)
ADF
Figure 2-24
2-19