Codex BPH830i, User Manual, Page: 61 / 86

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6-5 Print Head Pressure Adjustment
When printing on special media (with varying material thickness), the print quality may suffer. You will
then need to adjust the print head pressure.
Adjustment Steps
Step.01 Open the printer cover.
Step.02 Remove the ribbon.
Step.03 Use a screw driver and slowly turn the adjustment screws for the print head to increase or
reduce the print head pressure. Do not screw it hard, otherwise the machine will be
broken.
Step.04 Turn the adjustment screws according to actual position which is unsuccessful printed.
Turn t (Plus) indicates : The pressure is increased
；
Turn towards – (Minus) indicates:
The pressure is reduced.
。
SCREW ( RIGHT )
Screw for adjusting the print head
pressure on right side SCREW ( LEFT )
Screw for adjusting the print head
pressure on left side