Service manual

TROUBLESHOOTING GUIDE 2
G130/G131 4-64 SM
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)
SP1-007-002 = (Value of SP1-004-005)
SP1-005-002 = (Value of SP1-004-005) – 0.2%
2. Print a 2-dot pattern (pattern 12) with A3/11" x 17" 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. A horizontal band may show at 60 mm (2.76") from the leading edge on A3 (11"
x 17") paper. This depends on the paper used. Decrease the setting of SP1-
004-006 in 0.05% steps until the problem is solved if the horizontal band shows
on the 2-dot pattern.