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bizhub C4000i/C3300i
Heating roller end
temperature rise
suppression mode
Reduced power supply
mode
Recycled paper
correspondence mode
• *1: Exemplary calculation of print speed: If 28 ppm can be achieved at a print productivity of 100 % on A4 plain paper, a change in print
productivity to 90% results in 25.2 ppm.
• *2: Execution of the control for the high humidity environment mode can be prohibited by turning ON "No. 5 PPM control (high humidity
environment mode) prohibited" of Engine FW DIP switch of Enhanced Security of the service mode.
• *3: For recycled paper, the print productivity will be set to 70% when "Mode 3" is selected for warm-up choice.
(6) Fusing unit detection
(a) Unit mounting detection
• The machine detects the mounting condition of the fusing unit.
• When fusing unit is detected in the mounted condition, the machine begins the initial operation.
Detection timing
• The unit mounting detection control is performed under any of the following conditions:
"The power switch is turned ON (with the front door and right door are closed)"
"The machine exits the sleep mode"
"The front door or right door is opened and closed with the power switch in ON position"
Operation when it is detected that no units are mounted
• The message "Fusing Unit Installation Error" appears on the operation panel, and the machine prohibits initial operation and any new
print cycle.
The message "Fusing Unit Installation Error" disappears as soon as a fusing unit is mounted.
(b) Fusing unit new article detection
• The fusing unit is not provided with any new article detection mechanism. If the fusing unit is replaced with a new one, therefore, "New
Release" of "Fusing Unit" must be performed in "Counter/ Life" of the service mode.
1.12 DUPLEX SECTION
1.12.1 Configuration
[10]
[9]
[8]
[7]
[6]
[5]
[1]
ADU transport roller
[3]
Registration roller
[5]
Registration clutch (CL4)
• Print request is
received for paper
with a paper width of
209 mm or less
• Temperature of the
heating roller ends
becomes a
predetermined value
or more
Only an insufficient power
is supplied to the fusing
heater lamp, resulting in a
fusing temperature lower
than a predetermined
value
"100%" is selected for
"PPM Control Choice" of
the service mode
[11]
[12]
[4]
P THEORY OF OPERATION > 1. bizhub C4000i/C3300i
To suppress inordinate
Paper-to-paper distance is
rise in temperature on
widened in a multi-print
heating roller ends in a
cycle so as to prevent the
print cycle using paper of
temperature on ends of
a small size
the heating roller from
increasing, thereby
promoting reduction in
temperature.
To achieve the intended
To prevent fixability from
level of fixability under low
being degraded in a multi-
power supply condition
print cycle, paper-to-paper
distance is widened to
thereby limit a decrease in
the fusing temperature.
To increase the print
Paper-to-paper distance is
productivity of recycled
narrowed to thereby
paper.
increase productivity.
* Paper curling can
increase if 100% is
selected.
[1]
[2]
[3]
[2]
Driven roller
[4]
ADU transport sensor (PS11)
[6]
Main motor (M1)
P-46
100%: default value
90%
80%
70%
60%
50%
40%
30%
100%: default value
70%
50%
100% 70%: default value
*3
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