Intermec 073292-001 用户手册

Nothing is displayed on the 
screen. 

Try these possible solutions in order: 

• 

The contrast may be set too light or too dark. Press 
B and then E repeatedly until you reach the desired 
contrast level. 

• 

If you have a CK30 with a color screen, make sure the 
backlight is on by pressing E. 

• 

The display flex cable may be disconnected. Make 
sure the display flex cable is connected to the display 
assembly and the main PCB. 

• 

The display assembly may be damaged. For help, see 
the “Replacing the Display Assembly” procedure on 
page 18. 

• 

The main PCB assembly display interface may have 
failed. For help, see the “Replacing the Main PCB” 
procedure on page 15. 

Backlight does not work. 

Try these possible solutions in order: 

• 

Make sure you have a charged battery installed 
correctly. For help, see “Charging and Installing the 
Battery” in the CK30 Handheld Computer User’s 
Manual. 

• 

The display assembly may be damaged. For help, see 
the “Replacing the Display Assembly” procedure on 
page 18. 

• 

The backlight key on the keypad assembly may not be 
working properly. For help, see the “Replacing the 
Keypad Assembly” procedure on page 20. 

• 

The backlight driver on the main PCB assembly may 
have failed. For help, see the “Replacing the Main 
PCB” procedure on page 15. 

Scanner does not emit a 
beam, or scanner emits a 
beam but does not scan the 
bar code. 

Try these possible solutions in order: 

• 

Make sure the scanner window is clean. If the scanner 
window is badly scratched, replace the scanner 
window. 

• 

Make sure the keypad flex cable is connected properly. 

• 

Make sure the scan engine flex cable is connected 
properly. If the scan engine flex cable is damaged, 
replace it. 

• 

The scan engine may be damaged. For help, see one 
of these procedures: “Replacing the SE1200 Scanner” 
on page 21, “Replacing the EV10 Scanner” on page 
23, or “Replacing the IT4000 Imager” on page 25.