SATO CX400 Service Manual PN 9001110A Page: 5-1
5
MAINTENANCE
CLEANING
During general use, atmospheric debris will work its way into the unit. Ribbon and paper debris
will also accumulate on its moving parts. Periodic cleaning is manditory to ensure proper function
and long life.
Typically, fading of the printed image is the first sign that the unit requires cleaning. As the debris
continues to build up, the image will become increasing lighter. It is highly recommended that this
be prevented by the initiation of a cleaning schedule if regular or intensive use is forecast.
PRINT HEAD REPLACEMENT
The print head is a high wear part. It is advised that a spare be kept on standby to ensure that
print production continues unimpeded. The procedure below provides instructions on print head
replacement.
1. Turn off power switch and disconnect power supply cord.
2. Lift top cover to expose print assembly.
3. Simultaneously, press the two purple buttons located on the top side of print assembly.
4. Pivot printer assembly upward to expose printer chassis.
5. Remove the printer ribbon and print media from the unit.
6. Wipe or vacuum away larger, loose debris.
7. Moisten a cotton swab with isoprophl alcohol and wipe the print head and rollers clean.
8. Dry with a soft, dry material.
CAUTION: Harsh cleaners must not be used. Mediums containing
Hexane also must not be used as it will negatively react to plastic.
CAUTION: Printer electronics are susceptable to static discharge.
Ensure appropriate grounding measures are taken before
beginning any activity inside the printer.
1. Turn off power and disconnect power supply cord.
2. Lift cover (Figure 5-1, 1) to expose print assembly (2).
3. Simultaneously, press the two purple buttons located on the top side of print assembly (2)
and pivot upward.
5. Remove the ribbon from the rewind spool to expose the print head assembly (3).
6. Press downward on the upper right side of the print head assembly (3) and manipulate the
unit free.
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