| ??? 03/17/05 12:13 Read: times |
#89859 - Some Answers Responding to: ???'s previous message |
Yueng Chun Chung said:
Still have some questions.
1. Can i skip the thermeter part now? Because i have no time to consider it if it is not necessary. Yes, as long as your print speed is relatively slow so that the head has time to cool down between firings. 2. Actually, the printer has to print only number and a "-", likes123-123-234, and at most use 254 dots per line. And as you guys said, the sequence of the strobe should be first step the motor then fire 1,3,5 all together, then step the motor, so that it is now set to the new line position and then fire 2,4,6 all together. So, is it i have to provide all the DI (Data input) and CLK (Clock) before firing the first 1,3,5 and finally, fire the LATCH to complete the print process. Is it correct? Because fromt he posted Operation Sequence, the strobe 1,3,5 is fired coincided with the CLK and DI together. You need to clock in all the data, then transfer it into the latch. Then you can operate the strobes (and clock in the next line of data at the same time). 3. I have written code to do this experiment, with the following situation and code section.
I have tried this code, but doesn't work, nothing is printed. You need to latch the data first then strobe it. IAn |
| Topic | Author | Date |
| About developing thermal printing!! | 01/01/70 00:00 | |
| Guesses | 01/01/70 00:00 | |
| more guesses | 01/01/70 00:00 | |
| Oooh/. | 01/01/70 00:00 | |
| Thermal Printing | 01/01/70 00:00 | |
| Thanks for all your valuable experience! | 01/01/70 00:00 | |
| Does your paper advance? | 01/01/70 00:00 | |
| Yes | 01/01/70 00:00 | |
| short strobe? | 01/01/70 00:00 | |
| Some Answers | 01/01/70 00:00 | |
| Sorry, after testing, still have problem | 01/01/70 00:00 | |
| Print Sequence | 01/01/70 00:00 | |
| Thanks, i can print something now, but.. | 01/01/70 00:00 | |
| can print almost correct data now | 01/01/70 00:00 | |
| Print Sequence | 01/01/70 00:00 | |
| Advanced Printing | 01/01/70 00:00 | |
| Thermal printing larks... | 01/01/70 00:00 | |
Wrinkles | 01/01/70 00:00 | |
| circuit for the head | 01/01/70 00:00 | |
| The documentation of SMP610 | 01/01/70 00:00 |