Machine Adjust; Fuser Nip; Fuser Temp - Konica Minolta Bizhub C350 Service Manual

bizhub C350 Field Service Ver. 2.0 April 2004
4.4

Machine Adjust

4.4.1

Fuser Nip

Functions • To check the Fusing Roller nip width.
Use • When a fusing failure occurs.
• When a blurred image or brush effect occurs.
Check Range
Adjustment 1. Call the Tech. Rep. Mode to the screen.
2. Touch these keys in this order: "Machine Adjust" → "Fuser Nip"
Procedure
3. Press the Start key to let the machine produce a test pattern.
4. Check the fusing roller nip width.
4.4.2

Fuser Temp.

Functions • To adjust individually the temperature of the Heating Roller and the Fusing Pressure
Roller for each type of paper, thereby coping with varying fusing performance under
changing environmental conditions.
Plain paper (165 mm/s)
Plain paper (100 mm/s)
Plain paper (60 mm/s)
Thick 1, Thick 2, Thick 3, Envelope
OHP
OHP: Color; Humidity exceeding 60%
Use • Use when fusing failure occurs from a specific type of paper or due to changing envi-
ronmental conditions.
• When an offset occurs.
Adjustment If fusing performance is poor, increase the setting.
Instructions If offset is poor, decrease the setting.
Adjustment 1. Call the Tech. Rep. Mode to the screen.
2. Touch these keys in this order: "Machine Adjust" → "Fuser Temp."
Procedure
3. Select the paper type and Fusing Roller type.
4. Enter the new setting from the 10-Key Pad.
5. The temperature does not change immediately when the setting is change. Wait a
while before performing the subsequent steps.
• As a general rule, do not adjust the fusing temperature on the pressure application
side.
6. Touch "END" to validate the adjustment value.
7. Check the copy image for any image problem.
8. Make the adjustment for each type of paper.
A
4036fs3032c0
3-43
TECH. REP. MODE
A: 9 ± 0.5 mm.
Heating Roller Pressure Roller
190 °C
180 °C
190 °C
185 °C
190 °C
170 °C
130 °C
130 °C
150 °C
130 °C
170 °C
160 °C