Service manual

TROUBLESHOOTING GUIDE 30 July, 2001
4-48
Registration roller speed adjustment (For B&W mode)
1. Input the following values in the SP modes.
SP1-004-006 = (Value of SP1-004-005)
SP1-005-002 = (Value of SP1-004-005) – 0.2%
2. Print a 2-dot pattern (pattern 12) using A3/11"x17" paper.
SP5-997 (Test Pattern) Setting
Mode
Tray
selection
Pattern
Single
Color
Color Mode Resolution
Normal color 600 dpi 2 12 6 (Black) Single Color 600x600
3. Depending on the paper used, a horizontal band may appear at 60 mm (2.76")
from the leading edge on A3 (11"x17") paper. If the horizontal band is observed
on the 2-dot pattern, decrease the setting of SP1-004-006 in 0.1% steps until
the problem is solved.