Canon ImageRunner iR8500 Series, Service Manual, Page: 500 / 1122

Chapter 10
10-14
F-10-17
SERVICE MODE:
COPIER> OPTION> BODY> OHP-TEMP
(changing the temperature settings for the transparency mode)
0: 198 deg C (default)
1: 193 deg C
2: 188 deg C
3: 183 deg C
10.3.1.8 Transparency Mode
0009-1349
iR85+
To prevent wrapping of a transparency around the fixing roller (thus causing the transparency to melt because of heat of the fixing roller), the fixing roller
temperature is reduced in transparency mode. Figure shows the sequence of operation used in transparency mode:
F-10-18
SERVICE MODE:
WAIT mode Green Green Red
Fixing motor
(M3)
Main heater
(H1)
Sub heater (H2)
STBY INTR PRINT LSTR STBY
Transparency
mode
selected Start key ON 193˚C
205˚C
200˚C
198˚C
193˚C
Temperature of transparencies
Controlled to
198˚C
Controlled to 198˚C
Controlled to
193˚C
Idle rotation continued until
the surface temperature of
the fixing roller decreases to
that used for transparencies.
WAIT mode Green Green Red
Fixing motor
(M3)
Main heater
(H1)
Sub heater (H2)
STBY INTR PRINT LSTR STBY
Transparency
mode
selected
Print
command
193˚C
205˚C
200˚C
198˚C
193˚C
Temperature of transparencies
Controlled to
198˚C
Controlled to 198˚C
Controlled to
193˚C
Idle rotation continued until
the surface temperature of
the fixing roller decreases to
that used for transparencies.