13.3 Solution; Initial Check Items; Solution When Paper Curl Occurs - Konica Minolta Magicolor 8650 Service Manual

13. Jam display

13.3 Solution

13.3.1

Initial check items

• When a paper misfeed occurs, first perform the following initial check items.
Check item
Does paper meet product specifications?
Is the paper curled, wavy, or damp?
Is a foreign object present along the paper path, or
is the paper path deformed or worn?
Are rolls/rollers dirty, deformed, or worn?
Are the edge guide and trailing edge stop at the cor-
rect position to accommodate the paper?
Are the actuators operating correctly?
13.3.2

Solution when paper curl occurs

Step
1 Turn over the stacked paper in the paper tray.
Does paper curl occur just after a warm-up has been completed or
the sleep mode has been turned OFF?
2
Does paper curl occur under normal conditions (under conditions
other than those mentioned above)?
1. Call the Service Mode to the screen.
2. Select [System Settings] → [Change WarmupTime].
3
3. Change the setting to [Mode 3].
See P.217
1. Call the Service Mode to the screen.
2. Select [System Settings] → [Change WarmupTime].
4
3. Change the setting to [Mode 4].
See P.217
1. Call the Service Mode to the screen.
2. Select [MachineAdjustment] → [FusingTemperature] → [Heated
Side].
5
3. Select a paper type.
4. Change the temperature to [-10 °C].
See P.225
1. Call the Service Mode to the screen.
2. Select [MachineAdjustment] → [FusingTemperature] → [Heated
Side].
6
3. Select a paper type.
4. Change the temperature of to [-20 °C].
See P.225
276
Confidential – for internal use only, do not distribute
Field Service Ver. 2.0 Nov. 2007
Replace paper.
Replace paper.
Clean the paper path and replace if necessary.
Clean or replace the defective roll/roller.
Set as necessary.
Correct or replace the defective actuator.
Check items/actions
Action
OK —
NG Go to step 2.
YES Go to step 3.
YES Go to step 5.
OK —
NG Go to step 4.
— —
OK —
NG Go to step 6
— —