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Chapter 2 Troubleshooting
2.1.3 Cautions for Service Operations
1) Be sure to remove the power cord unless otherwise required.
While the printer is powered ON, never touch the conductive parts
unless otherwise required.
Never touch the conductive parts of the power switch and inlet of the
LVPS, because they are live even while the printer is powered off.
2) When checking some parts with covers removed and with the interlock, safety, and power switches
ON, remove the connector (P/J411 and P/J412) on the ROS ASSY unless otherwise required.
When checking some parts with covers removed and with the interlock,
safety, and switches ON, laser beams may be irradiated from the ROS
ASSY. For your safety, be sure to remove the connector (P/J411 and P/
J412) unless otherwise required.
3) When checking some parts with the Front Cover removed and the Multi Function Printer powered
ON, be sure to remove the connector (P/J16) on the PWB MCU unless otherwise required.
When checking some parts with the Front Cover removed and the
printer powered ON, be sure to remove the connector (P/J16) on the
MCU. Otherwise, a high voltage may be output from the HVPS.
When connecting the connecter (P/J16) on the MCU according to the
instructions in the FIP, never touch the HVPS and high voltage parts.
4) When outputting a high voltage using the Diag Tool, etc., keep all the covers on unless otherwise
required.
When outputting a high voltage using the Diag Tool, etc., ensure that:
- The high voltage carrying parts must never be touched.
- The instructions in this manual must be followed.
5) When operating the drive unit using the Diag Tool, etc., keep all the covers on unless otherwise
required.
When operating the drive unit using the Diag Tool, etc., ensure that:
- The drive unit must never be touched.
- The instructions in this manual must be followed.
6) When touching hot parts, be careful not to get burnt.
7) While working, be sure to wear a wrist band or the like to dissipate static charges from your body.
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