GRAPHTEC GL400 User Manual page 8

Do not attempt to lubricate the GL400/350's mechanisms.
• Such action may cause the GL400/350 to break down.
Never clean the GL400/350 using a volatile solvent (such as thinner or benzine).
• Such action may impair the GL400/350's performance.
• Clean off any soiled areas using a soft dry cloth.
Safety Precautions
CAUTION
No lubrication
No volatile solvents
Safety Precautions
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