JPS63178160U - - Google Patents
Info
- Publication number
- JPS63178160U JPS63178160U JP19089186U JP19089186U JPS63178160U JP S63178160 U JPS63178160 U JP S63178160U JP 19089186 U JP19089186 U JP 19089186U JP 19089186 U JP19089186 U JP 19089186U JP S63178160 U JPS63178160 U JP S63178160U
- Authority
- JP
- Japan
- Prior art keywords
- print density
- reference value
- detection means
- density
- detection mark
- 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
- 238000001514 detection method Methods 0.000 claims description 6
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
- Impression-Transfer Materials And Handling Thereof (AREA)
Description
第１図は本考案の一実施例の主要部を示す平面
図、第２図は第１図の実施例の側面図である。
１……印字用紙、２……検出マーク、３……プ
ラテン、４……検出素子、５……キヤリヤユニツ
ト、６……ガイドシヤフト。
FIG. 1 is a plan view showing the main parts of an embodiment of the present invention, and FIG. 2 is a side view of the embodiment shown in FIG. 1... Print paper, 2... Detection mark, 3... Platen, 4... Detection element, 5... Carrier unit, 6... Guide shaft.
Claims (1)
印字濃度を検出する印字濃度検出手段と、あらか
じめ設定した前記図形の印字濃度の基準値とを有
し、印字動作中の適宜の時点において前記検出マ
ークを印字してその印字濃度を前記印字濃度検出
手段によつて検出し、これを前記基準値と比較し
て前記基準値以下となつたときに信号を発生する
比較手段を有することを特徴とするプリンタ。 It has a print density detection means for detecting the print density of a detection mark of a specific figure printed on printing paper, and a reference value of the print density of the figure set in advance, and the detection mark is detected at an appropriate time during printing operation. and detects the print density by the print density detection means, compares it with the reference value, and generates a signal when the density falls below the reference value. printer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19089186U JPS63178160U (en) | 1986-12-10 | 1986-12-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19089186U JPS63178160U (en) | 1986-12-10 | 1986-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63178160U true JPS63178160U (en) | 1988-11-17 |
Family
ID=31144525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19089186U Pending JPS63178160U (en) | 1986-12-10 | 1986-12-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63178160U (en) |
-
1986
- 1986-12-10 JP JP19089186U patent/JPS63178160U/ja active Pending
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