HP Color LaserJet CM1312 Service Manual - Page 204
Power-on checks, check the following items
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General topic Condensation Miscellaneous Questions ● Does condensation occur following a temperature change (particularly in winter following cold storage)? If so, wipe affected parts dry or leave the product on for 10 to 20 minutes. ● Check for and remove any non-HP components (print cartridges, memory modules, and EIO cards) from the product. ● Remove the product from the network and ensure that the failure is associated with the product before beginning troubleshooting. ● For any print-quality issues, calibrate the product. Power-on checks When you turn on the product, if it does not make any sound or if the control-panel display is blank, check the following items: ● Verify that the product is plugged directly into an active electrical outlet that has the correct voltage. Do not plug the product into a surge protector or power strip. ● Verify that the on/off switch is in the ON position. 190 Chapter 7 Problem solve ENWW