Canon iR C6800 Series, Service Manual

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Chapter 13
13-3
<General>
Check to see that the power plug is connected properly.
Check to see that there is the rated AC voltage at the power outlet.
Check to see that the sensors, clutches, motors, and solenoids operate normally. Check the connectors for poor
contact.
(Be sure to check with the General Timing Chart for reference to power/signal routes.)
Check to see that the leakage breaker/circuit breaker operates normally.
Check the wiring for trapping and loose screws.
Check to see that the external cover are all fitted properly.
Check to see that the main power switch/control panel power switch are at the ON side.
Check to see that the power cable/signal cable to accessories are correctly routed.
Check to see that the cover switch operates normally.
Check the fuses on the PCBs to see if they have blown.
Check to see that the user knows how to use the machine correctly.
13.1.7 Others
0001-6094
If a machine is brought in from a cold to a warm place, its inside can develop condensation, which will lead to various
problems.
a. condensation on the BD sensor can cause faults associated with E100.
b. condensation on the dustblocking glass can cause the images in sub scanning direction to be too light.
c. condensation on the contact sensor of the reader unit or the copyboard glass can lead to light images.
d. condensation on the pickup/feed guide can cause faulty paper movement.
If d above is noted, be sure to dry wipe the units involved in the feed system.
The same is true of toner cartridges, developing units, and drum units, i.e., when they are unpacked after being
brought in from a cold place. To prevent condensation, advise the user to leave the package alone (for about 1 to 2
hr) before opening it.