Adjusting The Top Paper Guides; Adjusting The Double Feed Sensor - HP Indigo press 3050 User Manual

5
6
7
8

Adjusting the top paper guides

Place the top paper guides over the paper stack. Verify that the guides keep the top sheet
from curling over its leading edge. Take extra care when printing on light paper stock.
1
2
3
Figure 11-20. Top guides

Adjusting the double feed sensor

The double feed sensor ensures that no more than one sheet is fed at a time into the
printing nip. Whenever a double feed occurs, the paper jam preventor flips and ejects the
double sheet. The press changes to the Standby state and issues an error message.
Use the following procedure to adjust the sensor to the printed paper thickness:
164 Chapter 11 Paper transport
For substrate heavier than 135 g/m
one click clockwise. For substrate lighter than 135 g/m
the vacuum knob one click counterclockwise.
Check that the top sheet floats and touches all sheet separators evenly without
flexing.
Use the leading edge blower valve to adjust the air flow. Turn the air blower valve knob
clockwise to increase the flow or counterclockwise to decrease it.
Click Stop.
Release the top paper guides set screws.
Slide the top paper guides to the desired location. Place rear and front guides at the
same distance from the sheet margins.
Lock the top paper guides set screws.
2
(90 lb text/50 lb cover), turn the vacuum knob
Top paper guides
set screws
Top paper guides
2
(90 lb text/50 lb cover), turn
ENWW