System Maintenance 16-5 
CAUTION: 
Please clean all dust-proof covers of the system periodically 
(1 time per month); otherwise, system damage may result. 
Cleaning times can be increased when the system is used in 
the open air or somewhere dust is more.
 
16.1.2  Clean the Peripherals 
Do the cleaning maintenance according to your actual peripheral configuration; items 
which are not configured can be skipped. 
Content  Description 
Color and B/W 
video printer 
First wipe off dust or stain attached to the cover of printer with soft dry 
cloth, then clean the inside of printer. Be sure to do the cleaning 
maintenance according to the operation manual if is necessary. 
Graph / text 
printer 
First wipe off dust or stain attached to the cover of printer with soft dry 
cloth, then clean the inside of printer. Be sure to do the cleaning 
maintenance according to the operation manual if is necessary. 
Footswitch 
Use soft dry cloth with a little mild soap water to wipe off the dust or 
stain attached to the pedals or cable of foot switch. 
Bar code 
scanner 
First use soft dry cloth to wipe off dust attached to glass panel of 
scanner, then the dust or strain attached to cable and bracket. Be sure 
to do the especial cleaning maintenance according to the operation 
manual if is necessary. 
16.1.3  Checking the Probe 
  Visually check to confirm that there is no crack and expansion to probe head.   
  Visually check to confirm that there is no deterioration or desquamation to probe 
cable.  
  Visually check to confirm that there is no bend, destroyed or falling off pins to the 
connector. 
16.1.4  Checking the Power Cable and Plug 
  Visually check to confirm that there is no wrinkles, crack or deterioration; No crack 
and expansion to the surface of adapter.   
  Manually check to confirm that there is no looseness or rupture. The connection of 
plug is reliable. 
16.1.5 Checking Appearance 
Check if there is any crack in the covers: