Printronix P5000 - Page 186

186
Chapter 5 Section I: Replacement Procedures
Installation
1. Using a clean dry cloth, wipe the hammer spring mounting surface on the
hammer bank. Make sure the cloth does not leave lint on the hammer
bank.
CAUTION Hammer springs and hammer tips are fragile. Do not touch the hammer
springs or tips. Handle hammer springs by the thick mounting base
only. Apply pressure only to the mounting base.
2. Handling the hammer spring assembly by the mounting base only,
remove the new assembly and mounting screws from the box.
3. Handling the hammer spring assembly by the mounting base only,
carefully position it on the hammer bank mounting pins. then gently press
the mounting base down against the alignment pins. (See Figure 25,
page 187.)
4. Continue pressing down on the mounting base of the new hammer spring
assembly as you install the mounting screws from the replacement kit.
Using a Torx T-10 bit adapter, torque each screw to 14 inch-pounds (1.58
N•m). Tighten the center screw(s) first. (See Figure 25, page 187.)
5. Install the hammer bank cover assembly (page 177).
6. Install the shuttle frame assembly (page 215).
7. Install the ribbon and load paper.
CAUTION Do not attempt to adjust or “tweak” hammer springs.
8. Run a Diagnostic Printer Test and check print quality (page 114):
a. If print quality is acceptable, return the printer to normal operation
(page 133).
b. If print quality is still degraded, replace the shuttle frame assembly
(page 215).