Canon PC800 Series Service Handbook page 83

e. Default Ratios
Item
Direct
Reduce I
Reduce II
Reduce III
Reduce IV
Enlarge I
Enlarge II
2R2E (Inch/AB-configuration)
1:1.000
1:0.707
1:0816
1:1.154
1:1.414
Table A-5
APPENDIX
3R1E (Inch-configuration)
1:1.000
1:0.707
1:0.786
1:0.860
1:1.414
A-13