Gestetner G060, Service Manual

Page: 562 / 1106

COPY SP MODE
G570 5-24 SM
2
Mode No.
(Class 1, 2, and 3)
Function / [ Setting ]
[PA Roller Current] Paper Attraction Roller Current
([Color], Simplex or Duplex, Process Speed): Current Adjustment
(Paper or By-pass): Paper Size Correction
Adjusts the paper attraction roller current for color printing.
If paper misfeeds occur at the transfer unit in color mode, check and/or adjust the paper
attraction roller current.
NOTE: The magenta development section is close to the paper attraction roller.
Decreasing the current may not cause paper misfeed.
If the current is increased too much, the following image problems may occur depending
on the humidity.
High humidity:
Insufficient image transfer in magenta due to current flow to the magenta OPC drum
Low humidity:
Offset image in magenta halftone areas due to paper charged positive too much
When adjusting the current with this SP mode, the value should be lower than transfer
current.
6 [FC] S 62.5
[ 0 to 50 / 5 / 1
µ
A/step ]
7 [FC] S 125
[ 0 to 50 / 10 / 1
µ
A/step ]
8 [FC] D 62.5
[ 0 to 50 / 2 / 1
µ
A/step ]
9 [FC] D 125
[ 0 to 50 / 5 / 1
µ
A/step ]
14 [K] B TH S [ 10 to 30 / 5 / 0.1/step ]
15 [FC] B TH S [ 10 to 30 / 0 / 0.1/step ]
16 [K] B OHP [ 10 to 30 / 10 / 0.1/step ]
17 [FC] B OHP [ 10 to 30 / 16 / 0.1/step ]
18 [K] B TH D [ 10 to 30 / 5 / 0.1/step ]
19 [FC] B TH D [ 10 to 30 / 0 / 0.1/step ]
20 [K] SP S [ 10 to 30 / 5 / 0.1/step ]
21 [K] SP D [ 10 to 30 / 5 / 0.1/step ]
22 [FC] SP S 62.5 [ 10 to 30 / 5 / 0.1/step ]
23 [FC] SP S 125 [ 10 to 30 / 10 / 0.1/step ]
24 [FC] SP D 62.5 [ 10 to 30 / 2 / 0.1/step ]
801
25 [FC] SP D 125
*
BCU
[ 10 to 30 / 5 / 0.1/step ]
[PA Current Paper Size] Paper Attraction Roller Current - Paper Size Correction
Paper Type -> N: Normal, TH: Thick, OHP
Adjusts the correction, depending on the paper size.
When small-width paper is used for printing, the paper attraction roller current flows to the
non-image areas of OPC drum where the transfer belt touches the drum. This may cause
paper misfeed due to insufficient current.
To increase the current by 1.5 times, set the SP mode to “15”.
NOTE: Adjust only when a paper misfeed occurs with a small paper size. Increasing the
current too much may cause image offset in magenta halftone areas.
1 N LT SEF [ 10 to 40 / 15 / 0.1/step ]
2 N A5 SEF [ 10 to 40 / 20 / 0.1/step ]
3 TH LT SEF [ 10 to 40 / 15 / 0.1/step ]
4 TH A5 SEF [ 10 to 40 / 20 / 0.1/step ]
5 OHP LT SEF [ 10 to 40 / 24 / 0.1/step ]
802
6 OHP A5 SEF
*
BCU
[ 10 to 40 / 40 / 0.1/step ]