Printronix P9012, Maintenance Manual

Page: 98 / 256

5–14 Alignments and Adjustments
Hammer Spring Retensioning
(Figure 5–5)
Print Too Light
1. Perform steps 1 and 2 of the hammer spring removal procedure, as
described on page 6–22 of Chapter 6, Replacement Procedures. This will
place the hammer bank in the service position.
2. Using the tip of a screwdriver, carefully flex the tip of the hammer spring
(1) away from the pole pin (2) under the spring.
CAUTION
The hammer tip is fragile. Take care not to damage the hammer tip with
the screwdriver when flexing the spring.
3. Restore the printer to the normal operating configuration by performing
the hammer spring installation procedure, as described on page 6–24 of
Chapter 6, Replacement Procedures.
Print Too Dark
1. Remove the hammer spring as described on page 6–22 of Chapter 6,
Replacement Procedures.
2. Grip the spring with long nose pliers so the screw hole is just covered.
Using the tip of the screwdriver, carefully flex the spring in a direction
away from the hammer tip (3).
CAUTION
The hammer tip is fragile. Take care not to damage the hammer tip with
the screwdriver when flexing the spring.
3. Install the hammer spring as described on page 6–24 of Chapter 6,
Replacement Procedures.