Question about HP OfficeJet r40 InkJet Printer

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Will not scan, goes into warm up mode and then turn power off and

On continously.

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Might try unplugging the power cord and letting it sit for about 20 minutes. Right off hand it sounds like its getting to hot. Even if it is turned off power is still going to the printer so it can still get hot.

Posted on Feb 10, 2009

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Power "OFF" the copier. Press continously "0" and "8" while turning on the power. From the screen it will show AD mode. Press "252" then "Start". It will show some numeric values on the screen, " this is the past PM count ". Press "0" then "Start" or "Interrupt " key then power off and on the copier ..

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This sounds like you equipment is overheating and is shuting down on protection mode. Is the Canon in an enclosed environment or sitting on something that is already warm? Try moving the Canon to another area. Good Luck. George

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Xerox C20 displaying "Scanner Locked" message. Won't copy.


  1. Press the power switch to the OFF (O) position. The power switch is located on the lower, left side of the machine.

    m20-pwr-sw.jpg

  2. Pull the scan lock switch toward the front of the machine to unlock the Scanner.

    pro412-scan-unlock-sw1.jpg

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    NOTE: The scan lock switch is located on the bottom of the Scanner Module. Make sure the scan lock is completely free. It sometimes hangs at the halfway point.

  3. Press the power switch to the ON (|) position. A 'Warming Up, Please Wait' message will be displayed on the Display Screen. Warm up time is less than 40 seconds from power ON and less than 25 seconds from the Power Saver mode.

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How to unlock my M20i scanner


Release the lock, down the scanner is a tiny plastic piece between the oupt tray (the place where the paper goes out) and the top of the scanner
Fosg2000, Rate me please

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1 Answer

CLEANS ITSELF TOO FREQUENTLY- 2-3 TIMES EACH DAY


Try maxing out your power save timers. Here are the instructions. I suspect the machine is going into power save mode to quickly. Here is how you do that.

NOTE: To save energy, the printer enters a power saver, low-energy consumption mode after a predefined period of time since its last activity. In this mode, most printer electrical systems are shut down. When a print job is sent to the printer, the printer enters the Warm-up Mode. You can also warm up the printer by pressing the [OK] button on the Control Panel.
If the printer is going into Power Saver mode too often and you do not want to wait while the printer warms up, increase the length of time before the printer goes into the Power Saver mode.
Modify the timeout value:
  1. Press the [Up] or [Down] arrow button on the Control Panel to select [Printer Setup] on the Display Screen, and then press the [OK] button.
  2. Press the [Up] or [Down] arrow button to select [Printer Controls], and then press the [OK] button.
  3. Press the [Up] or [Down] arrow button to select [Power Saver Timeout], and then press the [OK] button.
  4. Press the [Up] or [Down] arrow button to select the required timeout value (30 - 240 minutes), and then press the [OK] button.

    NOTE: Select a larger timeout value to extend the length of time before the printer goes into the Power Saver mode.

  5. Press the [Up] or [Down] arrow button to select [Exit], and then press the [OK] button to return to the Main screen.
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Feb 02, 2009 | Xerox Phaser 8500/DN Printer

1 Answer

How to turn off the cleaning page feature in Xerox Phaser 8500


Actually what is happening is your machine is going into the power save mode and staying there for a long time.
What happens then is you get a full warmup. When the machine warms up, it will turn on the compressor and drain the resivour because Xerox wants a "fresh": supply of ink in the print head.
Its excruciatingly expensive and wasteful.
Here is something that can help. I am not sure you can completely disable the energy save mode. Thanks Al Gore...
NOTE: To save energy, the printer enters a power saver, low-energy consumption mode after a predefined period of time since its last activity. In this mode, most printer electrical systems are shut down. When a print job is sent to the printer, the printer enters the Warm-up Mode. You can also warm up the printer by pressing the [OK] button on the Control Panel.
If the printer is going into Power Saver mode too often and you do not want to wait while the printer warms up, increase the length of time before the printer goes into the Power Saver mode.
Modify the timeout value:
  1. Press the [Up] or [Down] arrow button on the Control Panel to select [Printer Setup] on the Display Screen, and then press the [OK] button.
  2. Press the [Up] or [Down] arrow button to select [Printer Controls], and then press the [OK] button.
  3. Press the [Up] or [Down] arrow button to select [Power Saver Timeout], and then press the [OK] button.
  4. Press the [Up] or [Down] arrow button to select the required timeout value (30 - 240 minutes), and then press the [OK] button.

    NOTE: Select a larger timeout value to extend the length of time before the printer goes into the Power Saver mode.

  5. Press the [Up] or [Down] arrow button to select [Exit], and then press the [OK] button to return to the Main screen

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1 Answer

Cannon scanner UDE20


NO this scanner counts its scans one by one the software is designed to scan 1 to 1 copy and scan mode

Jan 23, 2008 | Office Equipment & Supplies

1 Answer

Sleep Mode


Yes there is.But let me give you an explaination of somethign in the scanner.Once you turn the power save mode off, If the copier has sat for a while and saws WARMING UP, It is not the power save setting. The scan lamp also has to reach operating temperature for the machine to run. So even after Power Save is off, you may get an occcasional Please wait Warming up before a copy. There is no settings or changes for the scanner lamp warming. I throw that in so you don't suspect you did something wrong in changing settings.

Press the [Machine Status] button on the Control Panel. 'Machine Setup' will be displayed on the Display Screen.
  1. Press the [Enter] button. 'Machine Setup Tray 1 Size' will be displayed.
  2. Press the [Left] or [Right] arrow button until 'Power Save' is displayed, and then press the [Enter] button.
  3. Press the [Left] or [Right] arrow button to select 'On' or 'Off' to enable or disable the Power Save mode.
  4. Press the [Enter] button to save the setting.
  5. If Off is selected, skip to step 9.
  6. If On is selected, press the [Left] or [Right] arrow button to select the required time interval.
  7. Press [Enter] to save the setting.
  8. Press the [Stop] button to return to the Standby mode.

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