JPS5619766A - Monitoring device for supply of ink - Google Patents
Monitoring device for supply of inkInfo
- Publication number
- JPS5619766A JPS5619766A JP9364379A JP9364379A JPS5619766A JP S5619766 A JPS5619766 A JP S5619766A JP 9364379 A JP9364379 A JP 9364379A JP 9364379 A JP9364379 A JP 9364379A JP S5619766 A JPS5619766 A JP S5619766A
- Authority
- JP
- Japan
- Prior art keywords
- ink
- supply
- ball
- clogging
- judgement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Ink Jet (AREA)
Abstract
PURPOSE:To monitor the shortage of ink supply due to the clogging at a filter, etc. by providing an ink supply monitoring device in the vertical part of an ink supply pipe supplying an ink-jet head with ink. CONSTITUTION:When the monitoring operation is started, an electromagnetic valve 20 is closed and a time counter is reset at 0. When a ball 21 starts moving upward through an expanded by-pass part E, the output signal of a position sensor turns to be 0 and the action of the time counter is started. When the ball comes to the position Y, the output of the position sensor 23 changes from 0 to 1, the time T required for the ball moving from the position X to the position Y being counted. When the T is equal to a standard time Ts, the monitoring operation is ended based on the judgement that there is no clogging in the course of supply of ink. When the relation of T>Ts takes place, an alarm is given based on the judgement that the quantity of supplied ink is less than a reference quantity of supply thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9364379A JPS5619766A (en) | 1979-07-25 | 1979-07-25 | Monitoring device for supply of ink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9364379A JPS5619766A (en) | 1979-07-25 | 1979-07-25 | Monitoring device for supply of ink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5619766A true JPS5619766A (en) | 1981-02-24 |
Family
ID=14088039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9364379A Pending JPS5619766A (en) | 1979-07-25 | 1979-07-25 | Monitoring device for supply of ink |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5619766A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017164964A (en) * | 2016-03-16 | 2017-09-21 | 株式会社日立産機システム | Inkjet recording device and control method for inkjet recording device |
| JP2019147270A (en) * | 2018-02-26 | 2019-09-05 | セイコーエプソン株式会社 | Printer |
-
1979
- 1979-07-25 JP JP9364379A patent/JPS5619766A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017164964A (en) * | 2016-03-16 | 2017-09-21 | 株式会社日立産機システム | Inkjet recording device and control method for inkjet recording device |
| JP2019147270A (en) * | 2018-02-26 | 2019-09-05 | セイコーエプソン株式会社 | Printer |
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