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bizhub C4000i/C3300i
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[1]
TCR sensor
NOTE
▪ Be sure to replace the imaging unit with a new one that has not been used. A TCR sensor error (trouble code: 25##) may occur if
a used imaging unit is installed.
Unit mounting detection
• The TCR sensor detects the mounting condition of the imaging unit.
• When imaging unit is detected in the mounted condition, control now proceeds to the "new article detection control".
Detection timing
• The unit mounting detection control is performed under any of the following conditions:
"The main power switch is turned ON (with the front door and right door are closed)"
"The front door or right door is opened and closed with the main power switch in ON position"
Operation when it is detected that no units are mounted
• The message "Imaging Unit Installation Error" appears on the operation panel and the machine prohibits initiation of any new print
cycle. The message "Imaging Unit Installation Error" disappears as soon as a imaging unit is mounted.
New article detection
• The TCR sensor detects whether the imaging unit is new or not.
Detection timing
• The new article detection control is performed if it is determined through the "unit mounting detection" control that the imaging unit is
correctly mounted in place.
Operation when the imaging unit is determined not to be new
• The new article detection control is terminated.
Operation when the imaging unit is determined to be new
• The TCR sensor automatic adjustment control (calibration) is performed.
• The image stabilization control is performed.
• The life counter of the imaging unit is reset to zero.
• After the above controls are performed, the operation proceeds to the life detection control.
• The result of the new article detection is recorded in the backup board of the main body.
• The life counter is available for the imaging unit of each color. The counter value is recorded in the backup board of the main body.
New release disable mode
• The new release disable mode is used when a new imaging unit is temporarily used for performing troubleshooting procedures of a
machine.
• No new article detection control is performed for the imaging unit when the new release disable mode is used.
• The new release disable mode should be used only for troubleshooting purposes.
NOTE
▪ See " New Release Disable mode " for more detailed operating precautions.
P THEORY OF OPERATION > 1. bizhub C4000i/C3300i
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