Adjusting The Gap Between The Print Head And Platen; Measuring The Gap Between The Print Head And Platen - Casio SP-1300 Technical Manual

2. Adjusting the gap between the print head and platen

This adjustment allows for optimal print quality.

2-1 Measuring the gap between the print head and platen

1. Remove printer mechanism according to the procedure described in section 2,2.
2. Using the clearance gauge, measure the gap (backlash) between the print head and the platen.
Notice:
When adjusting, install the four rubber sheets in the printer mechanism.
Gap
Fig. 1-1 Method for measuring the gap
3. Measurements are taken within the left and right printing areas of the platen.
Measure at 3 to 5 locations while rotating the PF roller. Be careful to prevent anything from altering
the accuracy of the measurements taken and to avoid any warped areas of the gum roller.
4. The standard gap should measure between 0.25 and 0.3mm (a range from 0.2 to 35mm can be
expected depending upon any variances).
Head
Carriage and carriage guide
Carriage
Platen
— 3 —
stay backlash
Fig. 1-2 Removal of the carriage and the carriage
guide stay backlash
Removal of
the backlash