Ricoh G147 Service Manual page 202

002 ID Sensor Patt.
Prt Erase Margin
2101
Adjusts the leading edge (top), trailing edge (bottom), left, and right margins.
001 Leading Edge
002 Trailing Edge
003 Right Edge
004 Left Edge
005 Trailing Edge Back
006 Back Side Right
007 Back Side Left
G147
[–1,000 ~ –2,000 / –1570 V / 10 V step]
Adjusts the voltage applied to the charge roller when making
the ID sensor pattern (for charge roller voltage correction).
The actual charge roller voltage is this value plus the value of
SP2001-01.
[0 ~ 700 / -200 V / 10 V step]
The default is adjusted automatically based on the number of
prints.
00 K ~ 10 K: 200 V
10 K ~ 50 K: 230 V
50 K ~ 150 K: 340 V
Printing Erase Margin
[0 ~ 9.0 / 3 / 0.1 mm step]
Specification: ±2 mm
[0 ~ 9.0 / 2 / 0.1 mm step]
Specification: ±1.5 mm
Adjusts the trailing edge erase margin on the
reverse side of duplex prints.
[0 ~ 4.0 / 1.2 / 0.1 mm step]
Recommended: 2 ±1.5 mm
Adjusts the right side erase margin in the reverse
side of duplex prints.
[0 ~ 4.0 / 0.3 / 0.1 mm step]
Recommend: 2 ±1.5 mm
Adjusts the left side erase margin in the reverse side
of duplex prints.
[0 ~ 4.0 / 0.3 / 0.1 mm step]
Recommended: 2 +2.5/–1.5 mm
5-12 SM