supplier. Remember that these are general guidelines only and that paper meeting these guidelines may still cause
paper feeding problems in any laser printer (for example, if the paper curls excessively under normal printing
conditions).
Data security notice
1 The printer contains various types of memory that store device and network settings, information from embedded
solutions, and user data.
The following are the types of memory and the types of data that they store.
• Volatile memory—The printer uses standard Random Access Memory (RAM) to buffer user data temporarily
during simple print and copy jobs.
• Non-volatile memory—The printer may use 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.
• Hard disk memory—The printer hard disk is designed for device-specific functionality and cannot be used for
the long‑term storage of data that is not print-related. The hard disk can retain buffered user data from complex
print jobs, form data, and font data.
To erase volatile memory, turn off the printer.
To erase the non-volatile and printer hard disk memory, see the
“Configuration menu” on page 184.
The following parts are capable of storing memory:
• Printer control panel
• UICC (User Interface Controller Card)
• Controller board
• Optional hard disk
Note: The control panel and controller board contain NVRAM.
2 After removing the old part, return it to your next level of support.
Tools required for service
• Flat-blade screwdrivers, various sizes
• #1 Phillips screwdriver, magnetic
• #2 Phillips screwdriver, magnetic
• #2 Phillips screwdriver, magnetic short-blade
• 7/32 inch (5.5 mm) open-end wrench
• 7.0 mm nut driver
• Needle‑nose pliers
• Diagonal side cutters
• Spring hook
• Feeler gauges
• Analog or digital multimeter
5027
General information
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