Fusing Unit
SM 6-73
B286/B289
Det
ails
Step
What Happens
Power On
Room Temperature
Low temperature
environment detection
From when the main machine is switched on until fusing
temperature reaches 175°C, the time required to reach the copy
ready temperature is determined by SP1937-2 (Default: 2 min.)
This is the “prescribed time” to reach the target hot roller
temperature..
!
If hot roller reaches the target temperature within the time
prescribed by SP1937-2., copy ready temperature is at
.
!
If hot roller does not reach the target temperature within the
time prescribed by SP1937-2, copy ready temperature is
not set at
. Rather, after the temperature reaches
,
inching starts with rotation of the pressure roller. When the
pressure roller reaches 60°C at
, this is the copy ready
temperature.
Ready-1
If warm-up reaches the target fusing temperature within the
prescribed time (SP1937-2), this is the copy ready temperature.
Reach target hot roller
temperature
Temperature of the hot roller is monitored and controlled within
±5°C of target hot roller temperature.
Reach target pressure
roller temperature
Temperature of the pressure roller is monitored and controlled
within ±5°C target pressure roller temperature.
Summary of Contents for B286
Page 1: ...B286 B289 SERVICE MANUAL 003165MIU...
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Page 3: ...B286 B289 SERVICE MANUAL...
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Page 5: ...B286 B289 SERVICE MANUAL 003165MIU...
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Page 35: ...INSTALLATION...
Page 36: ......
Page 117: ...PREVENTIVE MAINTENANCE...
Page 118: ......
Page 127: ...REPLACEMENT AND ADJUSTMENT...
Page 128: ......
Page 186: ...Boards B286 B289 3 58 SM 9 Remove the shield cover A x12 10 Remove A MCU x4 x1 B IPU x4...
Page 198: ...Others B286 B289 3 70 SM 4 Remove the cooling fan D x 1 x 3...
Page 216: ......
Page 217: ...TROUBLESHOOTING...
Page 218: ......
Page 269: ...SERVICE TABLES...
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Page 507: ...DETAILS...
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Page 511: ...Overview SM 6 3 B286 B289 Details 6 1 2 MECHANICAL COMPONENT LAYOUT...
Page 526: ...Image Processing B286 B289 6 18 SM Text Mode...
Page 529: ...Image Processing SM 6 21 B286 B289 Details Patched Original Mode...
Page 530: ...Image Processing B286 B289 6 22 SM Generation Mode...
Page 552: ...Development B286 B289 6 44 SM Toner End Recovery Flow Chart...
Page 613: ...SPECIFICATIONS...
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