Firmware Confirmation; Precautions Against Static Electricity; Precautions For Disassembly/Reassembly; Self-Diagnostic Feature - Canon WS8400 Service Manual

Chapter 1

1.7.3.2 Firmware Confirmation

Firmware has been downloaded to each of a System Controller and Engine Controller.
When replacing each board with the one with Service Parts, confirm that each firmware is the latest version. If it is not the latest version, please update it
to the latest version.
Reference:
For how to upgrade each board, please refer to TROUBLESHOOTING> Version Up.

1.7.3.3 Precautions Against Static Electricity

Certain clothing may generate static electricity, causing an electrical charge to build up on your body. Such a charge can damage electrical devices.
To prevent this, discharge any static buildup by touching a grounded metal fitting before you start disassembling the printer.

1.7.3.4 Precautions for Disassembly/Reassembly

The precautions for disassembly/Reassembly are described in DISASSEMBLY/REASSEMBLY.

1.7.3.5 Self-Diagnostic Feature

The printer has a diagnostic feature which analyzes printer problems (which may occur).
The diagnostic results will be displayed on the display and indicated by a light.
For detailed information, see ERROR CODE.

1.7.3.6 Disposing of Lithium Battery

Dispose of the lithium battery according to local regulations.
MEMO:
This printer has a lithium battery mounted on the engine controller. The lithium battery is not replaceable.
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