home *** CD-ROM | disk | FTP | other *** search
- Newsgroups: comp.sys.acorn.tech
- Path: sparky!uunet!gatech!destroyer!gumby!yale!cs.yale.edu!news-mail-gateway!daemon
- From: /G=Owen/S=Smith/O=SJ-Research/ADMD=INTERSPAN/C=GB/@mhs-relay.ac.uk
- Subject: Re: High res Colour Printing in RISC OS 3.1
- Message-ID: <ARM200-930104125957-5FE3D334*@MHS>
- Sender: /G=Owen/S=Smith/O=SJ-Research/ADMD=INTERSPAN/C=GB/@mhs-relay.ac.uk
- Organization: Yale CS Mail/News Gateway
- Date: Mon, 4 Jan 1993 12:59:57 GMT
- Lines: 36
-
- blacka@logica.co.uk wrote:
-
- >- Owen is concerned about the ribbon becoming dirty
- > because of overprinting. I would guess this is only a
- > problem with Y-interlace - for X interlace the driver
- > does the two yellow passes, etc ending with black. Am
- > I correct here.
-
- You are correct.
-
- > In the
- > table of control codes (p58 if anyone has a copy) it
- > gives the impression that you can print every dot, whereas
- > the spec on page 106 claims "Adjacacent dots not printable
- > in these modes". I suspect the latter is the case -
- > does anyone have any hard evidence.
-
- Page 106 will be correct - I have experience in deciphering printer manuals.
- Most 24 pin printer manuals say 360 DPI horizontal in their control code
- tables and then later add a footnote about not being able to print adjacent
- dots. If a manual says nothing at all on the point, assume nothing. It may
- or may not be able to print adjacent dots. In this situation the only
- options are to ring the printer manufacturer and ask, or print something out
- assuming the printer can print adjacent dots and look at the output with a
- strong magnifying glass or microscope.
-
- >Final point - I have noticed that the quality of Outline
- >Font printout is better under RISCOS3.1 than 2. Previously
- >I found 180x180 was poor, 360x360 was needed. Now I find
- >that 180x180 is acceptable, and 360x180 when I need high
- >quality. Could Owen shed any light on what has be done
- >to obtain this improvent
-
- I'm not sure what's giving this improvement, sorry.
-
- Owen.
-