test-drb December 1998

test-drb@ccmp.vtda.org

168 participants
844 discussions

by rcini＠msn.com

Hello, all: I began posting the Altair 8800b docs last night. I've posted part 1, part 2a, all of chapter 5, and the Appendicies. Enjoy, [ Rich Cini/WUGNET [ ClubWin!/CW7 [ MCP Windows 95/Windows Networking [ Collector of "classic" computers [ http://highgate.comm.sfu.ca/~rcini/classiccmp/ [ http://highgate.comm.sfu.ca/~rcini/pdp11/ <================ reply separator =================>

25 years, 5 months

WTB: old Zenith laptop (or other laptop with 26-pin HD)

by roblwill＠usaor.net

Hi! I'm looking for an old Zenith laptop with the 26-pin type HD. The HD does NOT need to be working, nor does it need to have the HD - as long as it has a good controller. I don't need an external P/S, or a battery, either, since I have a bunch of old 12V P/S's laying around. I am willing to trade a WANG WLTC laptop for it, which has an internal P/S problem (popped a cap - probably dry electrolytic) It needs an external P/S (18V) and battery. The computer has a built-in thermal printer, and HD. The computer DOES operate, provided it has a battery and P/S (and the blown cap is replaced). I have the schematics on how to make a battery for it. I'm not necessarily looking for a Zenith, but any computer (laptop) with a 26-pin HD will do (same requirements - no battery, etc.). I'll be willing to trade for any computer BUT a Toshiba. I'm trying to rescue data off of two HD's that I have from Tandy 1400HD laptops, and I think I may have better luck finding a new computer than a new HD controller for the 1400. As always, ThAnX in advance, -- -Jason Willgruber (roblwill(a)usaor.net) ICQ#: 1730318 <http://members.tripod.com/general_1>

25 years, 5 months

VAX collectors attention

by CLASSICCMP＠trailing-edge.com

>> As long as we're on the topic, anyone have a Ethernet card for the >> Pro that they'd like to sell? I'm willing to pay CA$H! (The goal >> is to put Alan Baldwin's TCP/IP for RT-11 on a Pro and run a web server.) >You mean they're rare? No, they're not especially rare. It's just that I have an application for one! > I picked up a PRO350 a few years back with VR241 >monitor, DEC desk (with the motorised raise/lower column for the monitor) >_and_ an ethernet card. No, I am not selling it. And taunting me with stories about how you have one but don't use it and I can't have it doesn't particularly help me :-(. Tim.

25 years, 5 months

WTB: old Zenith laptop (or other laptop with 26-pin HD)

by tomowad＠earthlink.net

>I'm looking for an old Zenith laptop with the 26-pin type HD. The HD does >NOT need to be working, nor does it need to have the HD - as long as it has >a good controller. I don't need an external P/S, or a battery, either, >since I have a bunch of old 12V P/S's laying around. Hi Jason, I have a Zenith Data Systems ZWL-184-97 that's missing HD & power supply/video card. If you want the motherboard (unknown condition), I'll send it to you fro $12 shipped. Sincerely, Tom -- Sysop of Caesarville Online Client software at: <http://home.earthlink.net/~tomowad/>

25 years, 5 months

DG Aviion 88100 chip set

by Innfogra＠aol.com

I have about 30 chip sets for the 88100 processor and they include 2 88200s. The 88200s seem identical to me. They are matched by speed, 16, 20 & 25 MHz. Anyone need a spare set? These are pulls from never used OPUS cards that went byby. Paxton

25 years, 5 months

HP Laserjet Series II

by Innfogra＠aol.com

Fedron is still available through Copier service centers. It works but don't get it on the plastic parts. Use sparingly. I have salvaged several laser printers with this stuff. As a fix it will work for several months but doesn't change the fact the rollers are hardening with age. Use good ventilation. Paxton

25 years, 5 months

HP Laserjet Series II

by Marty＠itgonline.com

Strange but true: the CX engine predated the SX engine by several years yet Printer Works didn't produce a CX catalog until several years after their SX catalog. Yes the SX catalog is fantastic. The SX catalog has exploded views and covers every flavor of SX printer from an HP to Canon (that actually makes the engine) to Singer and Apple (Laserwriter II series), etc. The main difference between models being the I/O Formatter board. Marty ______________________________ Reply Separator _________________________________ Subject: Re: HP Laserjet Series II Author: classiccmp(a)u.washington.edu at internet Date: 12/1/98 1:12 PM PrinterWorks (Hayward, CA) has (or HAD? could anything that good not have been discontinued?) "catalogs" for the CX and SX series laser printers. Besides some basic discussion, they have exploded views and part number identification. -- Fred Cisin cisin(a)xenosoft.com XenoSoft http://www.xenosoft.com 2210 Sixth St. (510) 644-9366 Berkeley, CA 94710-2219 ------ Message Header Follows ------ Received: from lists5.u.washington.edu by smtp.itgonline.com (PostalUnion/SMTP(tm) v2.1.9i(b5) for Windows NT(tm)) id AA-1998Dec01.131218.1767.81274; Tue, 01 Dec 1998 13:12:18 -0500 Received: from host (lists.u.washington.edu [140.142.56.13]) by lists5.u.washington.edu (8.8.4+UW97.07/8.8.4+UW98.06) with SMTP id KAA07990; Tue, 1 Dec 1998 10:10:08 -0800 Received: from mxu3.u.washington.edu (mxu3.u.washington.edu [140.142.33.7]) by lists.u.washington.edu (8.8.4+UW97.07/8.8.4+UW98.06) with ESMTP id KAA17402 for <classiccmp(a)lists.u.washington.edu>; Tue, 1 Dec 1998 10:08:58 -0800 Received: from lanshark.lanminds.com (lanshark-fas1.lanminds.com [208.25.68.5]) by mxu3.u.washington.edu (8.9.1+UW98.09/8.9.1+UW98.09) with ESMTP id KAA27 721 for <classiccmp(a)u.washington.edu>; Tue, 1 Dec 1998 10:08:58 -0800 Received: from lana (lana [140.174.208.211]) by lanshark.lanminds.com (8.8.7/8.8.6) with SMTP id KAA25235 for <classiccmp(a)u.washington.edu>; Tue, 1 Dec 1998 10:08:57 -0800 (PST) Message-Id: <Pine.SOL.3.91.981201100550.24959A-100000@lana> Date: Tue, 1 Dec 1998 10:08:57 -0800 (PST) Reply-To: classiccmp(a)u.washington.edu Sender: CLASSICCMP-owner(a)u.washington.edu Precedence: bulk From: "Fred Cisin (XenoSoft)" <cisin(a)xenosoft.com> To: "Discussion re-collecting of classic computers" <classiccmp(a)u.washington.edu> Subject: Re: HP Laserjet Series II In-Reply-To: <1998Dec01.092201.1767.164934(a)smtp.itgonline.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Sender: cisin@lana X-Listprocessor-Version: 8.1 beta -- ListProcessor(tm) by CREN

25 years, 5 months

HP Laserjet Series II

by Marty＠itgonline.com

Cleaning is an admirable thing to do but don't use alcohol. Use distilled water and a lint free cloth. Moreover, on an SX based printer (the HP II was introduced in 1987 I believe) cleaning the feed roller and separation pad may do the trick but I doubt it. The feed roller becomes glazed and hard and usually rubber restorer won't help. In most cases it turns out to be a glazed roller and/or a sticky clutch which is located on the end of the feed roller. I used to rebuild the clutches on these in the field (it is a 20 minute job at best, you need to disassemble the clutch, clean out the old contaminated lubriplate from the clutch spring, then reapply lubriplate and make certain you align the feed roller with the clutch cam) but these whole unit replacements are so cheap nowadays I wouldn't bother. Marty ______________________________ Reply Separator _________________________________ Subject: Re: HP Laserjet Series II Author: classiccmp(a)u.washington.edu at internet Date: 12/1/98 12:05 PM Max, How old are the machines? When is the last time they were CLEANED? I am no genius but the idea of CLEANING the rollers is, to me, a good one. Hope this suggustion helps you. John Amirault Max Eskin wrote: > This is a couple of months off topic,but I'll post it anyway. At my school, > there are a couple dozen Laserjet Series IIs. I've been trying to install > four into one room, and for some reason almost every single one claims a paper > jam right as soon as I tell it to print ( a self test, for example). The paper > hardly gets out of the tray, it's generally just starting to get past the > roller that pulls it in when the printer returns an error. Sometimes it does > this, sometimes it doesn't. Any ideas? > > Thanks ------ Message Header Follows ------ Received: from lists5.u.washington.edu by smtp.itgonline.com (PostalUnion/SMTP(tm) v2.1.9i(b5) for Windows NT(tm)) id AA-1998Dec01.120520.1767.81238; Tue, 01 Dec 1998 12:05:20 -0500 Received: from host (lists.u.washington.edu [140.142.56.13]) by lists5.u.washington.edu (8.8.4+UW97.07/8.8.4+UW98.06) with SMTP id JAA03937; Tue, 1 Dec 1998 09:03:05 -0800 Received: from mxu2.u.washington.edu (mxu2.u.washington.edu [140.142.32.9]) by lists.u.washington.edu (8.8.4+UW97.07/8.8.4+UW98.06) with ESMTP id JAA30614 for <classiccmp(a)lists.u.washington.edu>; Tue, 1 Dec 1998 09:02:52 -0800 Received: from lima.epix.net (lima.epix.net [199.224.64.56]) by mxu2.u.washington.edu (8.9.1+UW98.09/8.9.1+UW98.09) with ESMTP id JAA23 476 for <classiccmp(a)u.washington.edu>; Tue, 1 Dec 1998 09:02:51 -0800 Received: from epix.net (mtrs-244ppp230.epix.net [205.238.244.230]) by lima.epix.net (8.9.0/8.9.0/1998093001/Philippe Levan) with ESMTP id MAA16564 for <classiccmp(a)u.washington.edu>; Tue, 1 Dec 1998 12:02:48 -0500 (EST) Message-Id: <366421E9.9E3184DC(a)epix.net> Date: Tue, 01 Dec 1998 12:05:45 -0500 Reply-To: classiccmp(a)u.washington.edu Sender: CLASSICCMP-owner(a)u.washington.edu Precedence: bulk From: John Amirault <amirault(a)epix.net> To: "Discussion re-collecting of classic computers" <classiccmp(a)u.washington.edu> Subject: Re: HP Laserjet Series II References: <98113019113300.00619(a)localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Sender: "John Amirault" <amirault(a)in.epix.net> (Unverified) X-Listprocessor-Version: 8.1 beta -- ListProcessor(tm) by CREN

25 years, 5 months

HP Laserjet Series II

by Marty＠itgonline.com

A word of caution on replacing parts on these SX printers: when you reseat the connector for the main motor to the DC Power Supply, make certain the snap connector 'snaps' and that it isn't doesn't feel 'mushy' or you may discover you have a false main motor error (error code 54 I believe) after having buttoned up the printer. Reseat the connector at least twice. Before replacing the top cover power it up, there are no interlocks involved and you needn't have the control panel attached to run an engine test. On the left or right side (I forget which side) bottom of the HP II you will see a hole about 1/8" in diameter. If you press the rubber membrane covered microswitch inside the hole the engine test will run and print a sheet with finely spaced parallel lines running longitudinally on the copy. This will verify the main motor connector was reseated properly and that the feed roller was replaced properly. On an SX (HP II, III, IID and IIID) engine always reseat these snap connectors prior to replacing parts such as the laser scanner (reseat both at the scanner and dc controller, and all sensors at the dc controller. Marty ______________________________ Reply Separator _________________________________ Subject: Re: HP Laserjet Series II Author: classiccmp(a)u.washington.edu at internet Date: 12/1/98 11:22 AM On Tue, 1 Dec 1998, Marty wrote: > I have repaired literally hundreds of HP II's and HP III's over the > past 10 years. The paper feed problem you mention is a piece of cake > to repair (replace) and the parts are readily available at a very low > price. Following are the parts you need: > > HP P/N RG1-0931-060CN FEED ROLLER ASSEMBLY > > HP P/N RF1-1145-020CN SEPARATION PAD > > SOURCES FOR ABOVE PARTS: > > Atlantis 1-800-733-9155 (Norcross, GA) > > Impact Sales 1-800-280-4521 (Madison, WI- ask for Don) > > PC Service Source 1-800-727-2787 (Dallas, TX) > > Printer Works 1-800-235-6116 (Hayward, CA) Ya know.. this is what I get for even *dealing* with our MIS (Mostly Incompetent Shi*theads) dept... you'd think after 10 years with the same company I'd learn... I should have researched the roller prob myself.... Anyway... I'm going to offer to take all those 'dead' HP IIs off the company's hands, and then *fix* the damn things, and **sell** them... or trade them for Stuff... the last time they dumpstered a whole storeroom I got tons of swappable Stuff.. woo hoo! I love Surplus!! Thanks VeryVery much for the roller and parts supplier info.. Cheers John ------ Message Header Follows ------ Received: from lists3.u.washington.edu by smtp.itgonline.com (PostalUnion/SMTP(tm) v2.1.9i(b5) for Windows NT(tm)) id AA-1998Dec01.112204.1767.81227; Tue, 01 Dec 1998 11:22:05 -0500 Received: from host (lists.u.washington.edu [140.142.56.13]) by lists3.u.washington.edu (8.8.4+UW97.07/8.8.4+UW98.06) with SMTP id IAA22869; Tue, 1 Dec 1998 08:19:41 -0800 Received: from mxu2.u.washington.edu (mxu2.u.washington.edu [140.142.32.9]) by lists.u.washington.edu (8.8.4+UW97.07/8.8.4+UW98.06) with ESMTP id IAA29406 for <classiccmp(a)lists.u.washington.edu>; Tue, 1 Dec 1998 08:19:26 -0800 Received: from netcom4.netcom.com (jpl15(a)netcom4.netcom.com [192.100.81.107]) by mxu2.u.washington.edu (8.9.1+UW98.09/8.9.1+UW98.09) with ESMTP id IAA17 482 for <classiccmp(a)u.washington.edu>; Tue, 1 Dec 1998 08:19:23 -0800 Received: (from jpl15@localhost) by netcom4.netcom.com (8.8.5-r-beta/8.8.5/(NETCOM v1.02)) id IAA12239; Tue, 1 Dec 1998 08:19:16 -0800 (PST) Message-Id: <Pine.3.89.9812010849.A11271-0100000@netcom4> Date: Tue, 1 Dec 1998 08:19:16 -0800 (PST) Reply-To: classiccmp(a)u.washington.edu Sender: CLASSICCMP-owner(a)u.washington.edu Precedence: bulk From: John Lawson <jpl15(a)netcom.com> To: "Discussion re-collecting of classic computers" <classiccmp(a)u.washington.edu> Subject: Re: HP Laserjet Series II In-Reply-To: <1998Dec01.092201.1767.164934(a)smtp.itgonline.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Listprocessor-Version: 8.1 beta -- ListProcessor(tm) by CREN

25 years, 5 months

HP Laserjet Series II

by Marty＠itgonline.com

I have repaired literally hundreds of HP II's and HP III's over the past 10 years. The paper feed problem you mention is a piece of cake to repair (replace) and the parts are readily available at a very low price. Following are the parts you need: HP P/N RG1-0931-060CN FEED ROLLER ASSEMBLY HP P/N RF1-1145-020CN SEPARATION PAD SOURCES FOR ABOVE PARTS: Atlantis 1-800-733-9155 (Norcross, GA) Impact Sales 1-800-280-4521 (Madison, WI- ask for Don) PC Service Source 1-800-727-2787 (Dallas, TX) Printer Works 1-800-235-6116 (Hayward, CA) I will supply you with tech support to replace these parts. Email me: marty(a)itgonline.com You will need to remove the top cover, front support plate and dc power supply. Removal of the high voltage power supply is recommended to facilitate access to the left screw holding the feed roller assembly but you can snake a screwdriver in without a problem. ______________________________ Reply Separator _________________________________ Subject: Re: HP Laserjet Series II Author: classiccmp(a)u.washington.edu at internet Date: 11/30/98 11:50 PM On Mon, 30 Nov 1998, Max Eskin wrote: > This is a couple of months off topic,but I'll post it anyway. At my school, > there are a couple dozen Laserjet Series IIs. I've been trying to install > four into one room, and for some reason almost every single one claims a paper > jam right as soon as I tell it to print ( a self test, for example). The paper > hardly gets out of the tray, it's generally just starting to get past the Ahhh, yes.. this one I know well. The company whose time clock I punch has about three dozen of these old guys in a store room.. they all have the same problem.. and it is: the very front set of rollers (the pick-and-feed rollers) over the paper tray have become hardened and non-gummy with age. The fix is: replace the rollers. The problem is: no rollers available. The solution: give them up for adoption, and when nobody wants them... well, you know the rest. One could kludge together something to go around the old rollers, but the sveral things I tried just didn't perform reliably, mainly causing double and/or multiple feeds... They they brough me a brand-new modern HP 4L and I quit being frustrated by the old one. Cheers John ------ Message Header Follows ------ Received: from lists4.u.washington.edu by smtp.itgonline.com (PostalUnion/SMTP(tm) v2.1.9i(b5) for Windows NT(tm)) id AA-1998Nov30.235024.1767.81114; Mon, 30 Nov 1998 23:50:25 -0500 Received: from host (lists.u.washington.edu [140.142.56.13]) by lists4.u.washington.edu (8.8.4+UW97.07/8.8.4+UW98.06) with SMTP id UAA07884; Mon, 30 Nov 1998 20:48:08 -0800 Received: from mxu4.u.washington.edu (mxu4.u.washington.edu [140.142.33.8]) by lists.u.washington.edu (8.8.4+UW97.07/8.8.4+UW98.06) with ESMTP id UAA28442 for <classiccmp(a)lists.u.washington.edu>; Mon, 30 Nov 1998 20:48:00 -0800 Received: from netcom11.netcom.com (jpl15(a)netcom11.netcom.com [192.100.81.121]) by mxu4.u.washington.edu (8.9.1+UW98.09/8.9.1+UW98.09) with ESMTP id UAA21 188 for <classiccmp(a)u.washington.edu>; Mon, 30 Nov 1998 20:47:59 -0800 Received: (from jpl15@localhost) by netcom11.netcom.com (8.8.5-r-beta/8.8.5/(NETCOM v1.02)) id UAA24075; Mon, 30 Nov 1998 20:42:49 -0800 (PST) Message-Id: <Pine.3.89.9811302010.A22096-0100000@netcom11> Date: Mon, 30 Nov 1998 20:42:49 -0800 (PST) Reply-To: classiccmp(a)u.washington.edu Sender: CLASSICCMP-owner(a)u.washington.edu Precedence: bulk From: John Lawson <jpl15(a)netcom.com> To: "Discussion re-collecting of classic computers" <classiccmp(a)u.washington.edu> Subject: Re: HP Laserjet Series II In-Reply-To: <98113019113300.00619(a)localhost.localdomain> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Listprocessor-Version: 8.1 beta -- ListProcessor(tm) by CREN

25 years, 5 months

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test-drb December 1998