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8-50 Phaser 8400/8500/8550/8560 Color Printer Service Manual
Service Parts Disassembly
NVRAM (PL5.0.9)
Caution
Some semiconductor components, such as the NVRAM chip, are
vulnerable to damage by Electrostatic Discharge (ESD).
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Observe the orientation of the NVRAM chip before removing it.
1. Remove the Back Cover from the Electronics Module.
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On 8400 models, the NVRAM chip is located at U850. On 8500/8550/
8560 models, NVRAM is located at U840
2. Remove the old NVRAM chip from itís socket in the Electronics Module..
3. Insert the new NVRAM chip into the socket. Ensure that the notch on the
chip is on the left side.
4. Download the snippet titled “setsn.ps” from the Support web site.
5. Edit the snippet to include the printer serial number, using a text editor.
6. Download the edited file to the printer using an FTP program.
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s8500-114
NVRAM Chip