Canon NP6621 Service Handbook page 120

SERVICE MODE
No.
324 Duplex paper stack timing
adjustment
325 Set-back roller reversal timing
adjustment
326 Lamp intensity adjustment
327 Duplexing unit inlet arch adjustment
328 Duplexing unit outlet adjustment
7–12
Item
Table 7-712-3
Settings
0 ~ 63 A higher setting delays the ON timing.
unit: 0.27 mm
default:
0 ~ 63 A higher setting delays the reversal timing.
unit: 0.27 mm
default:
40 ~ 200 For factory only.
default:
0 ~ 63 A higher setting increases the arch.
default:
unit: 0.27 mm
0 ~ 63 A higher setting increases the arch.
default:
unit: 0.27 mm
Description
32
32
125
28
28