Maintenance Manual Adjustments
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5.1.3 Print Head Gap
This adjustment is required only if the platen is removed when the carriage assy is
removed.
Standard Value : 0.25 mm (+ 0.05 mm - 0)
Tools : Feeler Gauge
To assure the correct printhead gap on all the carriage movement, follow these
procedure:
1) Remove the ribbon cartridge.
2) Verify with the feeler gauge, that in any carriage position, the distance between
the print head needles and platen must be 0.25 ÷ 0.3 mm.
3) Furthermore, the platen ends must be aligned with the printhead needles by 0.08
mm.
Example : ------------------------------------------------------- platen
A
B
C
printhead needles
Possible Values:
A
B
C
---------------------------------
0.25
0.25
0.25
0.3
0.3
0.3
0.22
0.27 0.3
0.3
0.27 0.22
4) Mount the AGA marker by slightly tightening the rightside screw.
Set the thumbwheel on reference 1.
Drop the AGA marker to its standard position and tighten both the screws.
Check for its rotation to range from 1 to maximum degree.
5) At normal operation, with a 80 gr/M² single sheet paper, the AGA marker must be
at "1" position. Run, if it necessary, the FACT. AUTO GAP procedure in next chapter
to verify the correct AGA position.
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LA400 Multiprinter 5. 4 ER-LA400-SV
