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Preventive and Corrective Maintenance
Safety Information—Personal Safety Tips
57518L-001 Rev. A
3/18/05
170PAX4 Maintenance Manual
129
Install the print engine on a solid, level surface of sufficient size and strength to 
accommodate the physical dimensions and weight of the unit. The area enclosure in which 
the print engine will operate must meet the environmental conditions specified in the 
Maintenance Manual or User Guide. Electrical power must be available and in close 
proximity to the print engine.
Personal Safety Tips
Caution • Risk of explosion if battery is replaced by an incorrect type, or in the wrong 
polarity.
Important • 
Beware of “Pinch Points” on the printers, especially:
Opening and closing the covers
Opening and closing the printhead
Rewind Spindle
Platen Roller
Important • 
Do not wear any jewelry, such as rings, watches, bracelets, etc. or loose clothing 
when servicing the printers.
Caution • Wear protective eyewear when installing or removing E-rings, C-clips, snap 
rings, springs, and mounting buttons. These are under tension and could fly off.
Caution • For personnel and equipment safety, always use an approved three-conductor 
power cord specific to the region or country intended for installation. This cord must use 
an IEC 320 female connector and the appropriate region-specific, three-conductor 
grounded plug configuration.