04173.pdf

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DMP 302 (26-2849)
Adjusting the Printer Head Gap
Faxback Doc. # 4173
The print head adjustment lever to the left of the ribbon cassette lets you
adjust the gap between the print head and the platen for using various paper
weights. Adjust the print head according to the paper thickness variations,
as listed below:
┌────────────────────────────────────────────────┐
│Paper
Setting Position
│
├────────────────────────────────────────────────┤
│12
- 24 lbs
1
│
│Two-part
forms
2
│
│Three-part
forms
2-3
│
│Four-part
forms
3-4
│
│Labels
4-5
│
└────────────────────────────────────────────────┘
Note: When the print head adjustment lever is set to position 5, the printer
automatically slows down for better print quality with thicker multi-
part forms.
If the gap is to narrow, this can cause:
°
°
°
°
°
Paper damage at the left or right margin
Inaccurate line feeding
The ribbon to loosen or come off its guide during printing
Smudging on the paper
Damage to the print head
If the gap is to wide, this can cause:
° Light printing
° Missing characters
° Damage to the print head
Caution: The print head must always be as close to the platen as possible;
otherwise, damage to the print head could occur.
If smudges appear on the paper, set the print head adjustment lever to a
higher setting by moving the lever toward the front of the printer.
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