HP Color 9850mfp Service Manual - Page 15

SAFETY AND IMPORTANT WARNING ITEMS DANGER: Work Performed with the MFP Powered • Take every care when servicing with the external cover detached. High-voltage exists around the drum unit. A risk of electric shock exists. WARNING: Safety Checkpoints • Check the exterior and frame for edges, burrs, and other damages. The user or CE may be injured. • Do not allow any metal parts such as clips, staples, and screws to fall into the MFP. They can short internal circuits and cause electric shock or fire. • Check wiring for squeezing and any other damage. Current can leak, leading to a risk of electric shock or fire. • When disconnecting connectors, grasp the connector, not the cable. (Specifically, connectors of the AC line and high-voltage parts) Current can leak, leading to a risk of electric shock or fire. • Carefully remove all toner remnants and dust from electrical parts and electrode units such as a charging corona unit. Current can leak, leading to a risk of MFP trouble or fire. • Check high-voltage cables and sheaths for any damage. Current can leak, leading to a risk of electric shock or fire. • Check electrode units such as a charging corona unit for deterioration and sign of leakage. Current can leak, leading to a risk of trouble or fire. • Before disassembling or adjusting the write unit incorporating a laser, make sure that the power cord has been disconnected. The laser light can enter your eye, leading to a risk of loss of eyesight. • Do not remove the cover of the write unit. Do not supply power with the write unit shifted from the specified mounting position. The laser light can enter your eye, leading to a risk of loss of eyesight. • When replacing a lithium battery, replace it with a new lithium battery specified in the Parts Guide Manual. Dispose of the used lithium battery using the method specified by local authority. Improper replacement can cause explosion. S-7