A-Class  77 
 
Step
Action  Displayed Message  Comment 
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. Scroll to 
ADVANCED ENTRY and 
press the ENTER Key.  
ADVANCED ENTRY 
Press the ESC Key to 
abort this procedure. 
D  
Scroll to SENSOR GAIN 
then press the ENTER Key. 
SENSOR GAIN 
Press the ESC Key to 
abort this procedure. 
E 
Place the label under the 
Sensor Eye Mark and latch 
the Head Lift Lever. Using 
the DOWN ARROW Key, 
scroll to GAIN TRAN 00 
and press the ENTER Key.  
GAIN TRAN  
*00                (0 – 31) 
 <yyy> 
 
- Or, for reflective media: 
 
GAIN REFL       
*00                (0 – 31) 
 <yyy>  
•  If using preprinted 
labels, ensure that 
the sampling area is 
free of text, graphics, 
and perforations.  
 
•  After ENTER is 
pressed, an asterisk 
(*) appears to denote 
selection.  
F 
Record the sensor reading 
(‘yyy’) as a Label Value in 
a table similar to the one 
shown below, with 32 
rows, four columns, and 
similar headings.) 
GAIN TRAN       
*00                (0 – 31) 
 <yyy> 
 
- Or, for reflective media: 
 
GAIN REFL       
*00                (0 – 31) 
 <yyy> 
The sensor reading, 
where ‘yyy’ represents 
the numeric sample, is 
useful in locating the 
best sensor position over 
the media. 
 
 
Sample Calibration Table 
Gain Number  Label Value  TOF Value  Difference Value 
00 252     
01      
02      
…      
31      
(continued)