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HP 4100tn - LaserJet B/W Laser Printer - Page 152

HP 4100tn - LaserJet B/W Laser Printer
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150 Removing and replacing parts EN
Firmware DIMM
CAUTION Static electricity can damage dual inline memory modules (DIMMs). When handling DIMMs, either
wear an antistatic wrist strap or frequently touch the surface of the DIMMs antistatic package, and
then touch bare metal on the printer.
1 Print a configuration page, a menu map, and an event log. The information is necessary to
reconfigure the printer after you replace the firmware DIMM.
2 Turn off the printer.
3 Unplug the power cord and disconnect any other cables.
4 Remove the rear right side cover (page 138). The formatter assembly is directly underneath.
5 Open the formatter access door by pulling on the large metal tab (see figure 55 on page 151).
6 Remove any installed accessories, EIO devices, memory DIMMs, or flash DIMMs.
Note Remove the old firmware DIMM installed in the lowest DIMM slot.
7 Remove the new firmware DIMM from the antistatic bag and install the DIMM in the lowest DIMM
slot.
Figure 54. Installing a firmware DIMM
8 Close the formatter access door.
9 Plug the power cord into the printer.
10 Wait until
READY
appears.
11 Turn off the printer.
12 Reinstall all accessories, EIO devices, memory DIMMs, or flash DIMMs.
13 Turn on the printer.
14 Print a new configuration page and menu map, and compare the settings with the information
pages printed in step 1. Verify the installed options and menu settings are consistent.

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