bizhub 4700P/bizhub 4000P Service Manual
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3.2 Data security notice
This printer contains various types of memory that are capable of storing device and network settings,
information from embedded solutions, and user data. The types of memory, along with the types of data
stored by each, are described below.
 Volatile memory—This device utilizes standard Random Access Memory (RAM) to temporarily
buffer user data during simple print jobs.
 Non-volatile memory—This device may utilize two forms of non-volatile memory: EEPROM and
NAND (flash memory). Both types are used to store the operating system, device settings, network
information, scanner and bookmark settings, and embedded solutions.
To erase volatile memory, turn off the printer.
To erase non-volatile memory, see the menu item under Configuration menu pertaining to this.
The printer control panel and RIP/controller board contain NVRAM. After removing the old part, it must
be returned to your next level of support.
3.3 Tools required for service
Flat-blade screwdrivers, various sizes
#1 Phillips screwdriver, magnetic
#2 Phillips screwdriver, magnetic
#2 Phillips screwdriver, magnetic short-blade
Needle-nose pliers
Diagonal side cutters
Spring hook
Feeler gauges
Analog or digital multimeter
Flashlight (optional)
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