Humidity levels below 50 percent
When using paper of weight less than 177 g/m², in humidity levels below 50 percent,
multifeed problems can occur.
1. To resolve the multifeed, make the following blower adjustments:
• Air Knife Blower: No change.
• Rear Lead Blower: Increase the blower speed by two settings. For example, if
the blower speed is set at
5
, to increase the speed by two settings, change the
setting to
7
.
• Front Blower: Increase the blower speed by two settings.
2. Run a test print. If no misfeed or multifeed occurs, the problem is resolved.
3. If a misfeed or multifeed occurs, for the Rear Lead Blower and Front Blower, do the
following:
• If a misfeed occurs, increase the blower speed by two settings.
• If a multifeed occurs, decrease the blower speed by one setting.
4. Run a test print. If no misfeed or multifeed occurs, the problem is resolved.
5. If a multifeed occurs again, do the following:
• Air Knife Blower: Decrease the blower speed by one setting.
Note:
For the Air Knife Blower, decrease the speed only if the current
setting is
High
or
Mid
.
• Rear Lead Blower: Change the blower speed to the preset value.
• Front Blower: Change the blower speed to the preset value.
6. Run a test print. If no misfeed or multifeed occurs, the problem is resolved.
7. If a misfeed occurs, for the Air Knife Blower, decrease the blower speed by one
setting.
Note:
For the Air Knife Blower, decrease the speed only if the current
setting is
High
or
Mid
.
8. Run a test print. If no misfeed or multifeed occurs, the problem is resolved.
9. If a misfeed occurs, do the following.
a. Make the following adjustments:
• Air Knife Blower: Change the blower speed to the preset value.
• Rear Lead Blower: Decrease the blower speed by one setting.
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