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4. Replacement and Adjustment
Scanner
Before You Begin
Scanner Safety
• The scanner unit can emit Class 1 M LED radiation when open. Never attempt to view the CIS units
with an optical instrument.
The scanner unit of this machine uses class 1M LED radiation which can seriously damage the eyes.
Blue:
Wavelength 452-463 nm and an output 6.9 mW
Green:
Wavelength 520-531 nm and an output 3.9 mW
Red:
Wavelength 629-634 nm and an output 4.8 mW
• Always turn off the power switch and disconnect the power plug from the power outlet before
beginning any disassembly or adjustment procedure for the scanner unit.
• Never touch the safety switches (which will turn on the main power) when the original feed unit is
open.
• After finishing every disassembly or adjustment of the scanner unit, always: 1) Confirm that the
safety switches work correctly, 2) Confirm that the opening and closing of the original feed unit
operates the safety switches.
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Table of Contents
Troubleshooting
