Remove/Clean hammer bank for IBM 6400

SOURCE: IBM 6400 model i10 print problem

It's likely a "hammer" is defective. This can be caused by
a build up of ink under the ribbon shield and/or around the hammer "fret" itself or the fret is physically broken. Remember
that this is a "shuttle" printer and each fret covers anywhere from
one to three characters depending on model. Some cover fractions of characters as well. The problem will appear as either
data missing on the left or right margin or a blank column of missing data going down the page.

A technician is required to solve all of these problems as the
shuttle assembly must be removed.

SOURCE: IBM 6400 model i10 print problem

You might want to go the printer properties and look for a option called gutter. Increase the value of this setting. This tells you the distance that should be left on the left side margin.

SOURCE: firmware IBM 6400-010

email me on [email protected], think i got that code

SOURCE: p62 error code

The IBM 6400 printer uses internal programming software that is specific to the printer based on installed interfaces and graphics options. This software resides in flash memory and when the printer is first powered on the software is executed. During this process it initializes the various processors on the controller board, initializes the optional interface cards, and then loads the necessary operating settings into dram. If the programming software becomes corrupt it will fail during startup, giving you the DC Program not valid error or a number of other error messages. The solution to this is a reflash of the printer. Unfortunately, the flash software is proprietary to IBM and they will not distribute it to anybody. The only way to get the printer reflashed is by calling IBM and having one of their engineers reflash the printer.

Toby

• 34 Answers
• Posted on Sep 10, 2009

SOURCE: ibm 6400

This is a easy problem... Have any question call 972-907-9771 x311
ATTENTION 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.
NOTE: Replace a hammer spring assembly only if there is visible damage or broken parts can be seen in the assembly.
5. Remove the mounting screws from the old hammer spring assembly. (See Figure 18, page 367.)
6. Handling the hammer spring assembly by the mounting base only, gently pry the old hammer spring assembly off its
mounting pins. (See Figure 18, page 367.)
7. Inspect the hammer bank and the old hammer spring assembly:
a. If there is ink on the hammer bank mounting surface, the hammer spring assembly mounting surface, or the hammer
spring neck or tines, reinstall the old hammer spring assembly and replace the shuttle frame assembly (page 405).
b. If the old hammer spring assembly and the hammer bank are free of ink, install the new hammer spring assembly
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.
ATTENTION 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.
NOTE: Replace a hammer spring assembly only if there is visible damage or you see broken parts in the assembly.
2. Handling it by the mounting base only, remove the new hammer spring 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 19, page 369.)
4. Continue pressing down on the mounting base of the 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 19, page 369.)
NOTE: Use the 1-30 inch-pound Torque Screwdriver, IBM part number 16F1661.
5. Install the hammer bank cover assembly (page 354).
6. Install the shuttle frame assembly (page 405).
7. Install the ribbon and load paper.
ATTENTION Do not attempt to adjust or “tweak” hammer springs.
8. Run an operator print test and check print quality (page 223):
a. If print quality is acceptable, return the printer to normal operation (page 339).
b. If print quality is still degraded, replace the shuttle frame assembly (page 405).