Printer Controls (3210) - IBM System/370 145 Operating Procedures Manual

• PRINTER CONTROLS (3210)
I mpression Control Lever
This lever is identified by its small red-ball handle, which
can be positioned in any of five notches. The notch
closest to the platen is number 1 and represents the mini-
mum striking force of the print element. The notch
farthest from the platen is number 5 and represents the
maximum striking force of the print element. The oper-
ator can vary the density of print impression by placing
the lever in the appropriate notch.
NOTE
When changing the position of the lever, first
move it out of the notch before moving it
forward or backward.
Ribbon Lift Lever -
Ribbon Lift Lever
Provides for ribbon wear distribution by permitting the
operator to select either the top or bottom half of the
ribbon for printing. When the lever is moved to the left,
the bottom half of the ribbon is positioned for printing.
When it is moved to the right, the top half is positioned
for printing.
Ribbon Load Lever
Raises the ribbon guide to a more accessible position for
threading the ribbon. I n its right-hand position, the lever
latches to keep the ribbon guides raised.
~ I mpression Control Lever
_ _ Ribbon Load Lever
Printer-Keyboard 25