Ricoh FT7770 Service Manual page 209

<Duplex Tray>
1. The rollers of the duplex tray are unique; do not mix them up with
those of the two lower feed trays.
<Top Unit>
1. Do not close the top unit under the following conditions:
a) When the drum
b) When the right
2. Do not attempt to
<Handling PCBs>
1. Before removing the two ROMs on
off and wait about 15 minutes.
2. After replacing the RAM on the main board, initialize it using the SP
mode.
a. Activate CRAM by setting SP 6-4 and SP 8-4 to SET.
b. After activating CRAM, turn the power off and on.
c. Set all SP addresses to the proper position.
WARNING: The timer board has a lithium battery, which may exlode if mistreated.
Do not recharge this battery, disassemble it, or dispose of it in fire. Used
timer boards should be handled according to local regulations.
<Menu Reader>
1. On a job sheet, make sure to
corresponding modes.
2. Use marker pens, ball pens or
sheet.
<Sorter Stapler>
1. When removing the bins from the sorter stapler, remove the bins from the
1st bin to the 20th bin in that order.
install the 20th bin to 1st bin in that order.
2. When replacing the stapler cartridge, make sure that the staples are not
sticking out of the cartridge itself.
stay is not set.
and left doors are closed.
adjust the drum support screw.
completely black out the boxes of the
pencils darker than HB when filling a job
4-17
main board, turn the main switch
the
When installing the bins,
30 April, '89