JPS54136232A - Print control unit - Google Patents
Print control unitInfo
- Publication number
- JPS54136232A JPS54136232A JP4459778A JP4459778A JPS54136232A JP S54136232 A JPS54136232 A JP S54136232A JP 4459778 A JP4459778 A JP 4459778A JP 4459778 A JP4459778 A JP 4459778A JP S54136232 A JPS54136232 A JP S54136232A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- pulse
- busy
- mfp
- production
- 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.)
- Granted
Links
Landscapes
- Character Spaces And Line Spaces In Printers (AREA)
- Control Of Stepping Motors (AREA)
Abstract
PURPOSE:To compulsively eliminate the busy condition and to operate the printer, by providing the time limit signal and the back up inverse line control signal generation circuit which controls the production timing of the pulse motor drive signal feeding the digit of the print head. CONSTITUTION:The busy control circuit 19 is set with the input of the start pulse SP and the busy signal is generated. Next, the time limit signal SS23 is produced with the monostable multivibrator 23, the pulse motor 1 is driven with the production of the forward pulse MFP, and after the rotation detection signal SLP-1N by the timing detector 8 is caused, the signal SS23 is fallen. If no signal SLP-1N is appeared even with the production of the signal MFP, the reverse pulse MBP is caused with the back up inversion control signal BD24 obtained with the differentiation of the trailing 24 of the signal SS23 and with the control signal SLPF/F from FF21 to eliminate the busy condition of the circuit 19. The motor 1 is given for the chance of rotation once more to the forward drive signal backed up for the drive signal generation circuit 6 with the next signal MFP input.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4459778A JPS6056633B2 (en) | 1978-04-14 | 1978-04-14 | Printing control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4459778A JPS6056633B2 (en) | 1978-04-14 | 1978-04-14 | Printing control device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54136232A true JPS54136232A (en) | 1979-10-23 |
JPS6056633B2 JPS6056633B2 (en) | 1985-12-11 |
Family
ID=12695855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4459778A Expired JPS6056633B2 (en) | 1978-04-14 | 1978-04-14 | Printing control device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6056633B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01167122A (en) * | 1987-12-21 | 1989-06-30 | Fujitsu Ltd | Paper hopper |
-
1978
- 1978-04-14 JP JP4459778A patent/JPS6056633B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6056633B2 (en) | 1985-12-11 |
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