Ricoh D124-17 Service Manual page 17

Ink supply
• Ink is supplied from four ink cartridges (1) mounted on the right side of the machine.
• Ink pumps (2) pump ink through ink supply tubes (3) to the ink sub tanks (4) mounted above each
print head.
• Each ink cartridge has an ID chip. These chips keep an accurate count of the amount ink sent to
each sub tank in the carriage unit.
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