Hitachi IJ UX Service Manual page 191

(7) Cleaning of Ink reservoir, Main ink tank and Viscometer.
1 If the ink reservoir is stained with ink, use makeup (S100A) to clean it.
2 Refer to "4.2.3 Removal method of the Main ink tank lid" for overhaul of the main ink tank.
3 Refer to "4.12.1 Viscometer removal procedure" and "4.12.2 Disassembling and washing
viscometer" for overhaul of viscometer.
After overhaul is completed, refer to "4.12.3 Viscometer assembly procedure"
and "4.12.4 Viscometer attaching procedure" to reassemble the viscometer.
(8) Drain the used makeup.
Execute Reservoir Makeup Drainage.
Press Maintenance → Ink Circulation → Reservoir Makeup Drainage.
(9) Set the Makeup cartridge for Ethanol-based ink.
(10) Perform the procedures which drain the remaining makeup (S100A) and refill with makeup
for Ethanol-based ink.
Perform the procedures of 2 to 6 of "(2) Operating Procedure" of "6.16.1 Process prior to
long-term shutdown" in Technical Manual.
Use the makeup for Ethanol-based ink at 6 - (a).
(11) Set the Ink cartridge.
Refer to "8.1 Replenishing the ink" in Instruction Manual.
(12) Execute ink refill.
Press Maintenance → Ink Circulation → Next Dsp. → Ink refill.
(13) Execute ink replacement.
Refer to "6.3 Replacing the ink" in Technical Manual.
4-58