Ricoh CH-C1 Technical Bulletin page 70

Model:
CH-C1
6. Turn off the main power switch, and then unplug the AC power cord.
7. Remove the SD card containing the NVRAM data from slot #2.
8. Insert another blank SD card into slot #2, plug in the AC power cord, and then turn on
the main power switch.
9. Upload the Address Book Data to the blank SD card with SP5-846-051 (UCS Setting /
Back Up All Addr Book).
Procedure for D135/D136 (Office model) only
If the Fax Option is installed on the machine, do the following:
 Print out the "Box Setting List". (User Tools  Facsimile Features  General
Settings  Box Setting: Print List)
 Print out the "Program Special Sender List". (User Tools  Facsimile Features 
Reception Settings  Program Special Sender: Print List)
 Take note of the settings in "User Tools  Facsimile Features  Reception
Settings".
 Take note of the settings in "User Tools  Facsimile Features  Send Settings".
10. Turn off the main power switch, and then unplug the AC power cord.
11. Remove the SD card containing the Address Book Data from slot #2.
12. Replace the two NVRAMs on the Controller Board with the new ones.
NOTE:
 There are two NVRAMs on the controller board as mentioned in the following section
of the manual: Controller Board
sure to replace the two NVRAMs as a set.
 NVRAMs [A] and [B] installed on the Controller Board at the factory are labeled "2M-1"
and "2M-2" respectively. NVRAMs procured as service parts are labeled
"FRAM1/D138E" and "FRAM2/D138E".
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When installing the New Controller Board. Make
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Date:
8-Oct-13
PAGE: 2/5
No.:
RD135032