17 May, 1999IMAGE FUSING
2.7.6 OVERHEAT PROTECTION
If the hot roller temperature becomes gr°eatC foerr thmore an 230than 1 second,
the CPU cuts off the power to the fusing lamp. At this time, the LCD will display an
SC543 error.
Even if the thermistor overheat protection fails, there is a thermofuse in series with
the common ground line of the fusing lamp. If the temperature of the thermofuse
reaches 16°C9, the thermofuse opens, removing power from the fusing lamp. At
this time, the printer stops.
Detailed
Descriptions
2.7.7 ENERGY SAVER MODE
When the machine is not being used, the energy saver function reduces power
consumption by decreasing the fusing unit temperature.
Entering Energy Saver Mode and Auto Shut Off Mode
Energy saver mode starts after the machine has been idle for a certain time. The
user specifies this time. The following choices are available.
? Off (energy saver mode never activates)
? 1 minutes to 240 minutes
This feature is adjusted using the user tools at the operation panel. Then, when the
Auto Off timer (SP5-904, or a user tool setting) runs out, the machine turns off the
main power switch.
Auto Shut Off mode can be disabled with a user tool (System Settings - 10. AOF).
Copier
MainEnergyFusingSystem
ModeNote
SwitchSaver LEDLamp+5 V
Energy SaverThe machine returns to
OnOn140° COn
Level 1standby mode if the
Energy SaverADF/Platen is lifted or an
OnOn80° COn
Level 2original is placed in the ADF.
Auto Shut OffThe machine returns to
ModeOffOffOffOffstandby mode only if the main
switch is turned on.
Fax, Printer
MainEnergyFusingSystem
ModeNote
SwitchSaver LEDLamp+5 V
Energy SaverThe machine returns to
OnOn140° COn
Level 1standby mode if the
Energy SaverADF/Platen is lifted or an
OnOn80° COn
Level 2original is placed in the ADF.
Auto Shut OffThe machine returns to
ModeOnOffOffOnstandby mode only if the
operation switch is turned on.
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