74   A-Class 
 
5.2 Calibration 
Calibration ensures correct media detection, and should be performed when Quick 
Calibration fails (see Section 3.4).  
 
 
5.2.1 Standard Method 
 
Three calibration samples are required:  
 
•  Empty – with nothing over the sensor;  
 
•  Gap (or Mark) – with media liner, a notch, or a mark over the sensor; and,  
 
•  Paper – with the label (and liner, if any) over the sensor. 
 
Calibrate the printer as follows: 
 
;
 
Ensure that the correct SENSOR TYPE is selected; see Section 4.2.1. 
 
Step
Action  Displayed Message   Comment 
A  Turn ON the printer. 
CANNOT CALIBRATE 
 
-or- 
 
UNCALIBRATED 
Wait briefly for the 
printer to initialize.  
B 
Press the MENU Key. 
Then, with MEDIA 
SETTINGS highlighted, 
press the ENTER Key.  
MEDIA SETTINGS 
Press the ESC Key to 
abort this procedure. 
C 
Using the DOWN ARROW 
Key, scroll to SENSOR 
CALIBRATION then press 
the ENTER Key. Press the 
ENTER Key again to select 
PERFORM CALIBRATION.  
PERFORM CALIBRATION 
Press the ESC Key to 
abort this procedure. 
D 
With no media in the 
sensor, press the ESC Key. 
REMOVE LABEL STOCK 
 
PRESS ESC KEY <yyy> 
This sets the empty 
value, where ‘yyy’ 
represents the current 
sensor reading. 
 
 
(continued)