| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to easily carry out the work to check a processing liquid amount in an operator at the time of carrying out the injecting and replenishing of the processing liquid even when a processing liquid tank is used for a long period of time and even when a place for installation of a photographic processing device is dark. SOLUTION: This processing liquid tank has a main tank 20 and a sub-tank 10 communicated with this main tank 20 and is the processing liquid tank which can be injected with the processing liquid from the sub-tank 10. The sub-tank 10 is provided with an earmark part 11. The earmark part 11 comprises a transparent plate 12 and a light emitting diode 13.
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