Variable Registers (Vr), Light-Emitting Diodes, And Check Pins By Pcb - Canon ImageRunner 600 Service Manual

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CHAPTER 13 TROUBLESHOOTING

Variable Registers (VR), Light-Emitting Diodes, and Check

Of the variable resistors (VR), light-emitting diodes, and switches found inside the machine,

those needed in the field are discussed.

1. Some LEDs emit dim light even when they are off. This is a normal condition, and must be

kept in mind.

2. VRs that may be used in the field.

VRs that must not be used in the field

The VRs and check pins not found in the tables are for factory use only. They require special

tools and high accuracy and, therefore, must not be touched in the fieled when making adjust-

ments and checks.

CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.

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