Ricoh FT8880 Service Manual page 60

SERVICE PROGRAM MODE
8
SP Test Mode -- 6 (PAGE 4)
1. Function
Turn on the individual power pack. Two or more power packs cannot be
turned on at the same time in this mode.
2. Test Procedure
Touch to turn on and touch
SET
NOTE: This mode may damage a drum; so, use this only with an old drum.
3. Code Table
C Charge corona
T1 Transfer corona - first side
T2 Transfer corona - second side
PTC Pre-transfer corona
D1 Separation corona - first side
D2 Separation corona - second side
D3 Separation corona - leading edge
to turn off.
RESET
4-14
5 June 1992