Pcbs - Ricoh 1000L Field Service Manual

6-10 PCBs

6-10-1 MIF, Modem, and MBU
Before changing the MBU, do the following if possible.
1) Print the following reports:
• Telephone List
• Program List
• Polling File List
• Service Report — Keep for reference during future
service calls.
• System Report
• TCR — give to the user
• SAF File List — give to the user
• Stored memory files — give to the user
• Confidential rx files (see page 5-34)
• Substitute rx files
2) Print out the following RAM data.
• 7850 to 79A8 (dedicated Tx parameters).
3) Check the records for the user to determine what other
RAM changes have been made (e.g., redial interval).
4) Make sure that the battery switch of the new MBU is ON.
1. Remove the front cover.
2. Take off the MIF, Modem, or MBU.
3. MBU — make sure that the battery switch (SW1) of the new
MBU is on, and turn off the battery switch of the old MBU.
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