Konica Minolta bizhub PRO 1050 Service Manual page 361

Field Service Ver3.0 Nov.2006
7. Measure the magnification of the sub scan
direction with a scale.
• Standard value: ± 0.5% or less (When in life-size)
Within 102.8
102.8
8.
When the value is not within the standard value,
press the [SERVICE] key.
9. "Regist Line Speed Adjustment screen"
Enter a numeric value through the numeric keys
and press the [Set] key.
• Setting range:-40 (short) to +55 (long)
1 step = 0.05%
10.
Repeat steps 5 to 9 until the standard value
can be obtained.
11.
"Regist Line Speed Adjustment"
Press the [Inside Pattern] key and enter 9 with
the numeric key. Press the [Set] key.
Press the [Inside Pattern] key again and press
the [COPY] key.
Note
• The density of "Test pattern density set-
ting" is reflected. So, be sure to check the
set value of "Test pattern density setting"
to ensure it is "255."
12. Set A3 or 11 x 17 paper (130 g/m
Bond) in the tray. Press the Start button to out-
put the test pattern (No.9).
13. Press the [SERVICE] key to return to the [Regist
Line Speed Adjustment] screen.
14. Repeat steps 11 to 13 to output test patterns
for two steps before and after the value you
entered in step 10.
e.g.: When the adjusted value is "-1"
Output 5 test patterns for -3, -2, -1, 0, 1.
0
mm
-0.5
0
-0.5
1050fs3001c
2
or 35 lb
15. Check the transfer jitter around 145 mm from
the paper trailing edge, and find an output with
the least transfer jitter (Density of half-tone is
even with surrounding area).
16. Press the [SERVICE] key.
17. "Regist Line Speed Adjustment screen"
Through the numeric keys, enter the adjusted
step number of the output paper you selected
in step 15, and press the [Set] key.
• Setting range:-40 (short) to +55 (long)
1 step = 0.05%
10. SERVICE MODE
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