Printer flow control problem
I have a Time Capsule with a Canon MP780 printer attached. Everything works normally when I print a short document. When I try to print a document longer than about 2 pages, the printer hangs about halfway through the second page. There are no errors indicated on the printer and no error flagged back to the software; it just continues to indicate "printing". The same document prints fine if I connect the printer directly to the laptop.
Since it's related to the length of the document, I conclude that there is an issue with flow control between the Time Capsule and the printer, but I cannot find any option to tweak, hardware or software.
Continue from above posting, my actual problem lies with the Hardware flow control,
in the above snipplet, you might see that I've put
while(!serialPort.isCTS()) // while it's Clear To Send
as to ensure i've finished read all the available data (incoming sms) before writing another command
into the sms gateway. But the problem is serialPort.isCTS() returns true, even though there are still
more data to be read
putting thread.sleep(3000) does the trick, but I dont think it's not a so ellegant solution
if my available data keeps growing (in terms of bytes)
regards,
Honggo
Similar Messages
-
Downward flow control problems
Hey Guys,
I'm trying to understand the WL documentatino on controlling flow
(downwards) in WL7.
Imagine I have flow max of 700 and flow min of 100 and step of 6 and
interval of 60.
For upwards, I understand it to be linear - just divide difference between
flow max and flow min by the step value. So what will happen is that it
will check every *6* seconds, and if it's to move up it will add a constant
(700-100)/ 6 = 100 everytime. ie. if we are at 100 it will go to 200. If
at 200 it will go to 300 and so on.
For the downward, geometric move, the documentation says "taking the nth
root of the difference, where n is the number of steps". Does difference
here mean the static difference between max and min? I imagine so, in which
case it will be 600 Then they are saying move down by
the 6th root of 600 (3!!), then the 5th root of 600(9!!) etc.
In which case if we are at 700 and after *6* second we see we need to move
down, we move down to 697 and after another *6* seconds we see we need to
move down we move down to 686 (9 diff) etc.
Is this a correct interpretation?
Thanks
Q
For what the docs say I think your interpertation is right.
What is really happens is this
double flowDecrease = (double)flowMinimum/(double)flowMaximum;
flowDecrease = Math.pow(flowDecrease, 1.0/(double) flowSteps);
John
DRE BEA Technical Support
-
Parental control problem printing to a shared printer
Hello chaps,
Here's an annoying one.
Two Macs, both running OS X 10.6.3. They are both on a wireless LAN, once has a Canon Pixma 4200 printer directly connected via USB with Printer Sharing turned on - Everyone allowed to print.
The problem: When my wife prints to the shared printer from her machine it works fine. When my kids try to print from their Parental Control-controlled account it doesn't.
The job comes up in the print queue but with On hold (authentication required) next to it.
The account has the box ticked to allow administration of Printers.
I can find no place to Authenticate, to get the job to print, even via the CUPS Web interface (that I'm not an expert in).
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Message was edited by: Chris NobleHello chaps,
Here's an annoying one.
Two Macs, both running OS X 10.6.3. They are both on a wireless LAN, once has a Canon Pixma 4200 printer directly connected via USB with Printer Sharing turned on - Everyone allowed to print.
The problem: When my wife prints to the shared printer from her machine it works fine. When my kids try to print from their Parental Control-controlled account it doesn't.
The job comes up in the print queue but with On hold (authentication required) next to it.
The account has the box ticked to allow administration of Printers.
I can find no place to Authenticate, to get the job to print, even via the CUPS Web interface (that I'm not an expert in).
All clues gratefully received.
Anyone have anu clues
Message was edited by: Chris Noble -
Problems with parity and flow control using visa serial
I am trying to create a basic user interface with the options that my
company uses most often for a force indicator. You can configure
the indicator over serial, as well as read the values off the
indicator. I am trying to create the user interface so that using
producer/consumer loops with events, once you change a value, it will
write that new value to the serial port, ie the device.
The problem I am having is transfering the parity and flow control
values for the serial config to the Basic read write VI. The
problem is that once the consumer loop executes, it will write the
values correctly to the VI, but then the outer loop executes 200 ms
later and clears the values. I know that this is normal behavior
and that in order to keep the values stored, normally you would use a
shift register. I tried to use this and had some issues with
correct data types/array mis-mtaches, ets, so I created an indicator
and had a local vaible read the indicator, which seems to be working
for the stop bits, read bits, baud rate, etc, but not the parity anf
flow control. I always get "blank" outputs for theses values (if
you enable the digital display you can see that they are outputing the
value 0 which correspondes to None in both cases, which is
correct). Even though it appears that it is outputting the
correct value, I get an error that says the VISA property is
invalid. I initally did a search and found that my stop bit
control was wrong (outputting double instead of integer), but I could
not find anything on the parity/flow control issue. I even tried
to copy the serial config controls from the basic serial read/write to
my dialog box and that did not work either.
I would be grateful for any suggestions.
Thanks
Kenny
Kenny
Attachments:
BGI_main pandc.zip 232 KBI should add that I am using LV 8.0 and that the serial config
indicator in the consumer loop will be off the frontpanel in the final
VI so that it is not visible to the user.
Kenny -
Front end printing with control technology problem with Mac platforms
Hello,
We are looking into replacing Host Spool Access method "F: Printing on front end computer" with the newer "front end printing with control technology" but are running into an issue. Our Mac platforms cannot print duplex nor print multiple pages per side using the new technology. We have followed SAP's recommendation to use the POST2 device type but it still won't allow full printing functionality. Has anyone run into this and if so how did you overcome it?
Thanks and Regards,
RichHi Rich,
I've had success getting duplex printing through "front end printing with control technology" with the Mac SAPgui as follows:
In the Mac SAPgui, go to the Preferences window and select Printing (i.e. Preferences -> Desktop -> Printing).
In the "Media sides" pull-down menu, select one of the "two-sided" choices (such as "two-sided-long-edge").
Click the "Save" button at the bottom of the window (near the right hand side.
Print to a Front end printer.
I haven't figured out how to get n-up printing.
/David Rosenberg -
How can i us the parallel port of the printer to control a frequenz-generator?
Hello all !
I like to control with LabVIEW 8 student-version, the Frequenz-generator gadget . For this challenge i like to us the parallel port of the printer. I need for data flow only 2 cable. The frequenz-generator gadget need two signal : Low and High.How can i us the parallel port of the printer to control a frequenz-generator gadget? I have us the VIs-Visa (Visa-Serial, write, Close ), but i dont no what command i have to write on the Visa-Write so that the Signal can be in the low or high position.
ThanksHi Jeanjac,
first, look here:
http://en.wikipedia.org/wiki/Parallel_port
to get the port numbering. also, be sure not to leave pin unconected, sometimes you might get an error message otherwise (i remember pin11 has to be always connected or so for windows...)
second, just run the test panel in MAX and write something to your device to check if it works.
then in LV, you have to decide to which pin is connected your instrument. in any case you have to address all 8 output pins together! this is a parallel...
if you prefere to use only one pin, then you can use the serial port, with just pin 2 and 3 connected. it would work easier for you, since you address only one bit.
Gabriel
... And here's where I keep assorted lengths of wires... -
ORA-25307: Enqueue rate too high, flow control enabled
I am stuck. I have my stream setup and they were previously working on two of my dev environments well. Now when I get the streams setup the CAPTURE process has a state of "CAPTURING CHANGES" for like 10 seconds and then changes to state "PAUSED FOR FLOW CONTROL". I believe this is happening because the PROPAGATION process is showing an error of "ORA-25307: Enqueue rate too high, flow control enabled".
I don't know what to tweak to get rid of this error message. The two environments are dev databases and there is minimal activity on them so i don't think it's a case of the APPLY process is lagging behind the PROPAGATION process. Has anyone run into this issue?? I've verified my db link works, my stream admin user has dba access. Any help or advise would be greatly appreciated.
thanks, daveAs rule of thumb, you don't need to set GLOBAL_NAME=TRUE as long as your are 100% GLOBAL_NAME compliant.
So, setting GLOBAL_NAME=TRUE will not have any effect if your dblink is not global_name compliant
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The first thing when you diagnose is to get the exact facts.
Please run this queries both on source and target so that to see what are in the queues and where.
Run it multiple time to see if figures evolves.
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set termout off
col version new_value version noprint
col queue_table format A26 head 'Queue Table'
col queue_name format A32 head 'Queue Name'
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col mysql new_value mysql noprint
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set linesize 150
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from dba_queues a , sys.v_$bufqm x, dba_queue_tables b
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and a.name not like ''%_E'' '
when &version=10 then ' a.owner||''.''|| a.name nam, a.queue_table,
decode(a.queue_type,''NORMAL_QUEUE'',''NORMAL'', ''EXCEPTION_QUEUE'',''EXCEPTION'',a.queue_type) qt,
trim(a.enqueue_enabled) enq, trim(a.dequeue_enabled) deq, (NUM_MSGS - SPILL_MSGS) MEM_MSG, spill_msgs, x.num_msgs msg,
x.INST_ID owner_instance
from dba_queues a , sys.gv_$buffered_queues x
where
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end mysql
from dual
set termout on
select &mysql
/B. Polarski -
Paused for Flow Control but no flow occurring
10.2.0.2
Our destination database had problems this AM and it was bounced. The capture process on the source went into "Paused for Flow Control" status and never recovered. Here's the process I went through.
1. There was nothing being propagated according to v$propagation_sender.
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3. I stopped and restarted the apply process - no change.
4. I stopped and restarted the capture process and after the dictionary initilization it went back into the paused state.
5. alter logs showed nothing for either database.
6. dbms_propagation_adm.stop_propagation resulted in an ORA-24082
I finally had to run dbms_propagation_adm.stop_propagation with force=>true and restart it for data to start flowing again, albeit slowly.
So the question is - why? Why did I have to forcefully stop the propagation process and restart it when this is all supposed to be seamless? Is this expected behavior that others have run into and the proces you need to perform whenever your destination becomes unavailable for a time period?
Just curious.
Thanks - BrianI've tried setting up a Streams for schema replication and have run into the "Paused for Flow Control issue". I'm not getting any streams errors so i don't know what's wrong with it.
I'm not that familiar with Streams so i'm not sure where to start to diagnose the problem. I used the Enterprise Manager to set up the streams and tried stopping and restarting the capture process but i'm still getting the "Paused for Flow Control issue". Where is the best place to start to look for a solution?
Thanks! -
I am using RoboHelp HTML X5.0.2 and Word 2003 on Windows XP
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Before proceeding too far, I decided to test what would
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Sorry for this lengthy response but perhaps you will have a
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open to suggestions if anyone knows of a better approach to this
project.
Thanks. -
Odi error : Flow control not possible if no key is declared in your target
Hi ...
I have a requirement where I am trying to populate a view(the view some has some pl/sql package running behind the scenes to populate the appropriate tables) on database (oracle11g) using the odi interface.
We are expcetd to populate the view only.
I am encountering this error when i try to run the interface (Flow control not possible if no key is declared in your target datasource).
The view doesnt have any key & I cannot change the key structure of the view.
Is their any workaround for this in the ODI.If you don't have any keys on your table, Flow Control will not be possible as the step of flag rows for update. You must have a key defined in your table to use both resources of ODI.
I recommend you to disable the FLOW_CONTROL option in your IKM and if you need to update your table, you'll have a problem. If you don't have, just disable the Update option also and go ahead with the execution.
TIP: Do not forget of set keys on your temporary tables when uses the IKM of Incremental Update.
Best regards.
Luiz Araujo (A.K.A. Buchu) -
Increase of priority flow control counters in a FCoE environment
Hi,
I need some input about what is normal in a FCoE environment in regards to priority flow contol counters.
I see Increase of RxPPP and TxPPP counters on a FCoE end to end enviroment. however we don't see high traffic rates to/from storage array(<1Gbps). Customer have not reported low transfer from storage.
Setup:
CNA hosts - FEX2232 - N5K - EMC-VNX
FCoE end-to-end, No native FibreChannel.
CNA adapters = Emulex.
Is a problem I should look further into or is it normal?
I have read the troubleshooting guide.
http://www.cisco.com/en/US/partner/docs/switches/datacenter/nexus5000/sw/troubleshooting/guide/n5K_ts_fcoe.html
some output:
N5K-2# sh inter priority-flow-control
============================================================
Port Mode Oper(VL bmap) RxPPP TxPPP
============================================================
FEX101-2232 1-8
Ethernet1/1 Auto Off 0 211994
Ethernet1/2 Auto Off 0 0
Ethernet1/3 Auto Off 2891830 0
Ethernet1/4 Auto Off 6269410 0
Ethernet1/5 Auto Off 12109662 0
Ethernet1/6 Auto Off 79534 0
Ethernet1/7 Auto Off 0 0
Ethernet1/8 Auto Off 0 0
FEX102-2232 9-16
Ethernet1/9 Auto Off 0 9994780
Ethernet1/10 Auto Off 0 0
Ethernet1/11 Auto Off 24678 0
Ethernet1/12 Auto Off 0 0
Ethernet1/13 Auto Off 4316 0
Ethernet1/14 Auto Off 136 0
Ethernet1/15 Auto Off 0 0
Ethernet1/16 Auto Off 0 0
!VNX-FCOE-ATTACHED SP_A
Ethernet1/19 Auto On (8) 1888566 10100200
!VNX-FCOE-ATTACHED SP_A
Ethernet1/20 Auto On (8) 10414603 1367098
Ethernet1/23 Auto Off 0 0
Ethernet1/24 Auto Off 0 0
Ethernet1/25 Auto Off 0 0
Ethernet1/26 Auto Off 0 0
Ethernet1/27 Auto Off 0 0
Ethernet1/28 Auto Off 0 0
Ethernet1/30 Auto Off 0 0
Ethernet1/32 Auto On (8) 0 0
Ethernet1/38 Auto Off 0 0
Ethernet1/39 Auto Off 0 0
Ethernet1/40 Auto Off 0 0
Ethernet1/41 Auto On (8) 0 0
Ethernet1/42 Auto On (8) 0 0
Ethernet1/43 Auto On (8) 0 0
Ethernet1/44 Auto On (8) 0 0
!CNA atttached hosts.
Ethernet101/1/1 Auto On (8) 37109 33155
Ethernet101/1/2 Auto On (8) 120 32336
Ethernet101/1/3 Auto On (8) 274 34404
Ethernet101/1/4 Auto On (8) 1924 64754
Ethernet101/1/5 Auto On (8) 144 14684
Ethernet101/1/24 Auto On (8) 4296788 4466
Ethernet101/1/25 Auto On (8) 104520 22
Ethernet101/1/26 Auto On (8) 838 30824
Ethernet101/1/27 Auto On (8) 796 7770
Ethernet101/1/28 Auto On (8) 13749152 1684
Ethernet101/1/29 Auto On (8) 5912918 1276
Ethernet101/1/30 Auto On (8) 3296026 2292
Ethernet101/1/31 Auto On (8) 0 80
Ethernet101/1/32 Auto On (8) 0 0
Ethernet102/1/1 Auto On (8) 75656 323512
Ethernet102/1/2 Auto On (8) 0 5632
Ethernet102/1/3 Auto On (8) 4278 173828
Ethernet102/1/4 Auto On (8) 0 0
Ethernet102/1/28 Auto On (8) 2872 300046
Ethernet102/1/29 Auto On (8) 28216 11808124
Ethernet102/1/30 Auto On (8) 4792 441340
Ethernet102/1/31 Auto On (8) 0 0
Ethernet102/1/32 Auto On (8) 1040 201214
Ethernet1/19 Auto On (8) 1888566 10100200
Ethernet1/20 Auto On (8) 10414603 1367098
Just a one of the servers
GDC-CORE-SW04# sh inter e101/1/29 priority-flow-control
============================================================
Port Mode Oper(VL bmap) RxPPP TxPPP
============================================================
Ethernet101/1/29 Auto On (8) 5912932 1276
GDC-CORE-SW04# sh inter e101/1/29 | in pause
0 Rx pause
0 Tx pause
GDC-CORE-SW04# sh inter e101/1/29 priority-flow-control
============================================================
Port Mode Oper(VL bmap) RxPPP TxPPP
============================================================
Ethernet101/1/29 Auto On (8) 5913378 1276
GDC-CORE-SW04#
GDC-CORE-SW04# sh inter e101/1/29 | in pause
0 Rx pause
0 Tx pause
VNX
GDC-CORE-SW04# sh inter priority-flow-control | in Ethernet1/19 ne 1
Ethernet1/19 Auto On (8) 1889064 10100536
Ethernet1/20 Auto On (8) 10414603 1367164
GDC-CORE-SW04# sh inter e1/19 | in "input rate"
30 seconds input rate 133346744 bits/sec, 16668343 bytes/sec, 10762 packets/sec
input rate 96.22 Mbps, 8.31 Kpps; output rate 118.68 Mbps, 8.83 Kpps
GDC-CORE-SW04# sh inter e1/20 | in "input rate"
30 seconds input rate 36024752 bits/sec, 4503094 bytes/sec, 2342 packets/sec
input rate 33.96 Mbps, 2.09 Kpps; output rate 24.95 Mbps, 1.50 KppsHi, thank your for your answer.
I actually already enabled the system qos manually since we run 5.0(2)N2 release.
We will implement FCoE over 5500. What I'm worried about is the warning message I posted above on Nexus 7009s connected to my 5500s after I enabled the system qos.
Could it be originated by the DCBX feature? May I have some problem if 'Priority-flow-control' setting between N5k and N7k don't match? -
Print Color Management Problem ?
I have a print color management problem I cannot solve. It reminds me of the print color management problem I had over a year ago when the compatibility conflict between LR and MAC Leopard produced horrible prints. I have Snow Leopard now and been out of the country for some months and yesterday when I tried to make some prints the same problem reemerged. So I downloaded current drivers (and ICCsfor Premium Luster) from Epson and LR 2.6 and spent a good part of the day with Martin Evening's book. I followed (I think) his instructions to make the basic print step by step but the prints still were terrible. My problem is with the color management pop up in the print settings dialog -- it says "color matching" not color management and I cannot check either "no color management " if I want LR to control the process (Kelby) or check "color sync" if I want my Epson R800 take over. I have no idea where the "color management" pop up went. I'm clueless as usual and probably omitting a step because of frustration or brain numbness. Any help would be appreciated. WJS
The settings in Lightroom are simple. and contain in the Print Job panel in the Print module. You either select manage in printer (and then select the profile in the printer drivers) or select the profile here and then turn of all colour management in the printer drivers. The second option will usually produce the best results. What you don't want is to have the profile selected in both LR and the printer drivers, so if the driver doesn't have an option to turn of colour management then you may be forced down the first route. However it would be an unusual decision for a printer manufacturer to make drivers that can't turn off colour management, so you may wish to ask how to do it to your printer manufacturer or check the printers handbook.
-
Hi
I am working on a BSP application using MVC.
My application has three controller ..Main controller has two sub controller .
During the event handling i am facing some problem
can any one please tell me the process flow control in multiple controller ....in which flow all the events in all controllers are called .?
thanxHi Monica,
you can find an overview about the process flow in the online docu:
http://help.sap.com/saphelp_erp2004/helpdata/en/22/d59045f4d1174099260b71d5317908/frameset.htm
Regards,
Rainer -
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My system is Windows 7 Pro. I am using Acrobat X Pro. The page I am trying to print is http://en.wikipedia.org/wiki/Electronic_band_structure. This problem only happens when the webpage is adjusted into "Reader" mode in Safari.Many thanks for your reply!
I am sorry, I did not make my question clear. I would like to save some web pages only in "Reader" mode, because in this mode all the advertisements are filtered out and the pages look much nicer than the origional layout.
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Back in February I bought a Quad Core Desktop with Windows 7 64 bit. Haven't been on the forum for 7 months since I wrote in regarding importing video with the Pyro AV Link (Premiere Elements Tips and Tricks). I was having problems importing video which started after March 28 sometime, as that was the last time I didn't have a problem importing VHS. Took me a few months off and on to find out what worked.
I started uninstalling Windows updates and any programs I had installed back to that point in time. Checked after uninstalling each item. The capture screen would come up on a delayed basis but clicking on capture did nothing. Although no driver is required for IE1394 (so they say) I read where some people using the Legacy driver had fixed some problems, so I switched to the Legacy. Seemed to work great (for a few minutes).
I had even uninstalled and reinstalled PE7 but no difference. Finally I noticed a shield in the PE7 Desktop icon. Thats weird. Never had that before. Just decided to show up after I had done all of the stuff I mentioned. Turns out at some point in time since I've had the computor Windows 7 decided to flag my 32 bit program as misusing the 64 bit system. User Account Control. I never bothered too much with UAC and just clicked on the yes box wen it popped up asking if I wanted this or that to take control of my computor. I tried using the minimum setting for safety reasons, and then finally turned User Account Control off. Bingo! PE7 capture works again and still working.
While I am not recommending that people arbitrarily turn UAC off, this appeared to be my problem. I would recommed that they try turning it off before uninstallin a bunch of stuff. Having a restore point may or may not have been a fix for me. I think one of the Windows Updates caused the problem but I am not going to uninstall any more stuff at this point, I have not been back on the internet or installed any more updates in my desktop. I am going to use my laptop for internet and used the desktop for video.
I am guessing this could be a problem for any 64 bit systems trying to use 32 bit programs. IE: XP,Vista,Windows 7 64 bit. In Vista there is also Data Execution Prevention (DEP) which you can turn on or off, supposedly to prevent misuse of memory (as I understand it), but Win7 either doesn't have it or I haven't found where it's located.
Maybe this has been covered in the forum somewhere and I missed reading it. Hope I am not too confusing. Anyway, whatever feedback you guys have would be great.John,
Thanks for your answer, and I did check out the link you suggested. However, I have Windows 7 Home Premium as most people have I think, and the XP program was not available. I started with Vista and now have Win 7. I never could navigate around in XP anyway so am content to just leave User Account Control off.
Interesting side note to turning UAC off is that my desktop seemed to be using more of the CPUs, where half of them were "Parked" as I wrote in also about 7 months ago when I 1st got my desktop. I am pleased to say that video processing seems to go quicker with UAC off. Have to observe things some more to confirm.
I just thought if others were having problems after installing Windows Updates and leaving UAC off worked then they could possibly pinpoint a problem.
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