Ricoh BR-C1a Basic Service Training page 210

Anti-condensation Heater (Option)
 Condensation can form around the 1st, 2nd, and 3rd mirrors after
a cold start in areas where the ambient temperature is low, or
where the humidity is very high.
 This can lead to streaking and other image quality problems.
 These problems can be solved by installing an anti-condensation
heater [A] directly under the scanner unit.
 When the machine is turned off with the operation switch at the
end of the work day, the heater will switch on to prevent
condensation from forming while the machine is idle.
Slide 210
No additional notes
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BR-C1 Training