Citizen Systems CLP 6002 - Manual (Page 20)

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3.5 Media Width Adjustments
CAUTION Ensure the print head adjustments are made correctly
according to the type of media (thickness & width).
Incorrect adjustments can cause failure of the print
head.
Adjustments may be needed if paper with different width is used. Print
darkness is affected by the amount of pressure on the print head so it must
be adjusted with the head pressure adjustment screw if necessary.
The pressure on the right side of the print head, viewed from the front panel,
is adjusted by turning the head pressure adjustment screw. Turning the
screw clockwise decreases the pressure, and turning the screw
counterclockwise increases the pressure.
Normally, the pressure on the left and right sides of the print head has
already been adjusted to equal loads at the factory. The check marks are
located under the upper frame window.
Adjustments are needed in the following cases:
1) When print on the left side is too light, turn the head pressure adjustment
screw clockwise.
2) When print on the right side is too light, turn the head pressure
adjustment screw counterclockwise.
3) When paper of smaller width is used:
In this case, the contact between the print head and the platen becomes
large, so the motor will have a heavy load and the print head may scrape
the platen. To avoid this, turn the head pressure adjustment screw
clockwise to decrease the pressure on the right side of the print head.
Verification
window
Paper width Right head
pressure
1 inch 0 kgf
2 inches 0.5 kgf
3 inches 1 kgf
4 inches 2.4 kgf
Used for adjustments when
ribbon wrinkles or skews with
paper width of 4 inches
Factory setting
Head pressure adjust-screw
Upper frame window
Note: These values are just for reference.