Maintenance Manual
SP 40
Rev. 005
16
Chapter 2
Removals
2.3
Print Head
DANGER
:
To prevent serious personal injury from electrical shock always turn off the printer and unplug
the power cable before remove the print head.
CAUTION
:
The print head may have hot surface. Wait for it to cool down.
ATTENTION
:
Only the two allen screws have to be unscrewed to remove the print head.
Do not touch other three screws on the print head that are fixing the correct
AGA wheel position. (Adjustment done at manufacturing level).
Removal
1)
Open the top cover.
2)
Pushing the proper green lever rise up the upper part of machanical assy (like in figure 2.3).
3)
Put the Print Head in a center position.
4)
Remove the ribbon guide from the print head (figure 2.4) and then remove the inked ribbon cartridge.
5)
Remove the print head safety cover (item 23 of figure 2.5) by manually acting on its left and right hooks.
6)
Unscrew the two allen screws (item 24 of figure 2.5) securing the print head to the carriage with the flat
and stars washers.
7)
Extract the print head (item 22 of figure 2.5) from the carriage assy.
8)
Unplug the flat cables from the print head and remove it.
Replacement
To install, follow the removal step in reverse order.
Remark:
When reassembly the print head, before to secure the screws, pay attention for the correct position of the print
head. This is assured by two lateral pins on the metal part of the print head that fit together print head with the
carriage assy.
Secure the screws allen type with a driving torgue of 7 Kg/cm.
Figure 2.3 - Rise up Upper Mechanical Assy
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Страница 41: ...Maintenance Manual SP 40 Rev 005 31 Chapter 2 Removals Figure 2 13 Ribbon Drive Removal...
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Страница 45: ...Maintenance Manual SP 40 Rev 005 35 Chapter 2 Removals Figure 2 15 Mylar Bar Removal...
Страница 47: ...Maintenance Manual SP 40 Rev 005 37 Chapter 2 Removals Figure 2 16 Rear Roller Assy Removal...
Страница 49: ...Maintenance Manual SP 40 Rev 005 39 Chapter 2 Removals Exploded View Figure 2 17 Front Roller Assy Removal...
Страница 51: ...Maintenance Manual SP 40 Rev 005 41 Chapter 2 Removals Figure 2 18 Selector Cam Removal...
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Страница 57: ...Maintenance Manual SP 40 Rev 005 47 Chapter 2 Removals Figure 2 22 Platen Assy Removal...
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