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36 MODE
7. Measure the vertical magnification with a
scale.
• Standard value: 0.5% or less (when in life-size)
Within ± 1 mm against 205.7 mm
8. If the specification is not satisfied, press the C
button while pressing the P button.
9. "Belt line speed adjustment screen"
Enter a numeric value through the numeric
keys and press the [SET] key.
• Setting range: -100 to +100, 1 step = 0.01%
10. Repeat steps 5 to 9 until the standard value
can be obtained.
11. Press the [PREVIOUS SCREEN] key to return
to
the
"Magnification
screen."
2
KONICA MINOLTA 8050/CF5001/C500/8150 Field Service Ver.3.0 Dec. 2004
(5) Fixing line speed adjustment
When replacing the fixing roller /U, /L and transfer
belt, use this adjustment method to adjust the fixing
roller line speed.
These parts are made from rubber. Accordingly,
every parts has different diameter and thickness,
they must be adjusted for each one.
When the fixing line speed is faster than the transfer
belt, the vertical magnification gets large, thus
205.7 1
resulting in a transfer jitter. When it is slower than
the transfer belt, the trailing edge of the image gets
soiled or the toner scattering occurs.
8050fs1006
Note:
• When adjusting it, be sure to use the "paper
• Be sure to conduct this adjustment after
adjustment
menu
a.
1. Enter the 36 mode.
2. "36 mode menu screen"
3. "Image adjustment menu screen"
4. "Magnification adjustment menu screen"
5. "Set the cyan density screen"
1-66
for fixing speed adjustment" (P/N 65AA-991*).
Otherwise, the fixing line speed cannot be
accurately adjusted.
checking to see if the key operator mode
memory switch [No. 52: Time lag to switch
tray] is set to "Short."
When the switch is set to "Standard," change
it to "Short" before conducting this adjust-
ment. After completion of the adjustment, be
sure to bring it back to "Standard." When con-
ducting this adjustment with the switch set to
"Standard," 8 sheets of test pattern may not
be output.
Procedure
Press the [2. Image adjustment] key.
Press the [1. Magnification adjustment] key.
Press the [5. Fixing line speed adjustment]
key.
Press the [DENSITY] key.
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