Ricoh D124-17 Service Manual page 936

2. Appendix 2: Service Program Mode
7717 Air in SubTank
This SP displays a count for the number of times excess was detected in an ink sub tank on
the carriage unit. The ink sub tanks are checked for the presence of air at these times:
• At power on
• After an ink cartridge is replaced
• After the machine has remained idle for a long period
1 Count HT1
Air detection count for K1.
[0 to 999999/0/1]
2 Count HT2
Air detection count for K2.
[0 to 999999/0/1]
3 Count HT3
Air detection count for C.
[0 to 999999/0/1]
4 Count HT4
Air detection count for M.
[0 to 999999/0/1]
5 Count HT5
Air detection count for Y.
[0 to 999999/0/1]
7720 Refilled Cartridge
This SP displays a count for the number of times an ink cartridge was attempted to be
replaced with a re-filled ink cartridge.
• When the ink end sensor in the ink supply unit signals that an ink cartridge is out of
• This prevents the ink cartridge from being used as a re-fill. Re-filled cartridges cannot
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ink, the machine automatically writes the "end history" onto the ID chip of the ink
cartridge.
be used with this machine.