laser printer draws too much power
This could be normal. This is typically a 1500va or larger UPS.
Laser Printer Motors Wikiversity
APC recommends a Smart-UPS series product that is sized for the maximum power draw of the laser printer as defined by the manufacturer.
. Even in middle of job it would pull about 780 Watts so I do not think that HPs Specs are accurateThey typically recommend a 10amp dedicated circuit for printers anyway. UPSs are for computers. High voltage is required in laser printing to create electrostatic charges to determine where the toner sticks creating letters and images on paper.
The problem is that some laser printers try to fast start their fuser by allowing maximum power on start up. One of those BATTERY BACKUP surge protectors would probably work. Acceptable measurements if youre in North America are 120V - 5 or 114-126V.
Laser printers have an insane initial power draw but it isnt going to hurt anything because it happens so quickly. The problem is that we have to use a dot matrix printer since laser types use a lot of power and have pretty high make that pretty damn high starting surges. I dont know if this is a dangerous situation but its unsettling and Id like to fix it if possible.
If youre particularly concerned take your multimeter in AC volts mode and measure hot-to-neutral on a few circuits around your house. Seems that when the printer begins to draw power the circuit load is increased at the breaker and the voltage from the circuit goes up. However modern laser printers with their power saving designs and multiple safety features makes the power supply unusable unless connected to the cpu on the laser printer itself.
I have a Brother HL-1470N at home which exhibits the same symptoms. Ranked by total power consumption. Further down in the page it says the minimum power capacity for.
This makes the printer ready faster but induces a high inrush current which can be at least 20 amps and sometimes as much as 40 amps momentarily. Certain printers and specifically laser printers may consume significantly more depending on design and if a halogen lamp is used for the fuser. So my home built 3D printer pulls about 3x the power when idle of a mass produced 2D printer and about 10x the power when printing.
A laser printer is going to draw roughly 600 to 1200 watts depending on how large it is. Even small Laser Printers can have very high maximum power draws due to the. Most people DONT plug them into the UPS.
Good ones cost 150 or so about as much as the printer but cheaper ones are readily available the printer should draw power. 0075 This will be different based on your electric company wattage x power cost 1000 x Time in hours cost to operate the laser for one hour. In my case I simply moved it off of the UPS but the lights flickering is still undesirable.
Laser printers do draw a decent amount of power particularly on startup. If you must use a UPS with a Laser Printer it is important to size your UPS appropriately. If you have a bad relay in your UPS which keeps the voltage from going up too high you hear the click as the UPS fails to figure out what to do next and a momentary disconnect occurs.
It has a peak reading ability of 1000W and during initial printing it would error the meter indicating temporary draw of over 1000Watts. They also might be less tolerant of the modified square wave these inverters generate. Recently I got a new laser printer that apparently draws a lot of current briefly when it comes out of sleep mode - enough to trip my UPS the printer is not plugged into the UPS.
Laser printers and copiers can dim the lights That 380 watts they say is average at 20 ppm meaning they are turning it on and off. I had it happen when I moved into my home that was built in the 1960s. I tried this with my old laser printer and got exactly hwta I expected to.
20170727 - Fixed errors in the calculations. Now clearly if the circuit under test tries to draw too much power and the power supply is not able to safely deal with it then bad things like a fire can happen. - If the circuit breaker still trips go to step 8.
About Laser printer draws current in a spike what for on Mon 30 Aug 2004. I too was thinking of posting about this. Just because of how they work laser printers draw a lot of power.
The high initial current flowing through the UPS can damage them. Your printer instructions should specifically warn not to use a. If the house is yours IE not an apartment I would shut off the Circuit breaker or fuse and check any receptacles on the circuit the Laser printer is.
HP 7KW64A HP Color LaserJet Pro. If you lose power its pretty easy to. Power Costs per Kilowatt Hours.
I am trying to figure out what to do about this. I think that is really impressive for an open hardware project assembled myself that can print everything from replacement lamp parts and toy robots to itself. Verify that the machines AC power cord is connected to the machine and plugged into an AC power outlet and then turn the machines power switch on.
It takes some juice to get a fuser hot enough to melt toner onto a page. 120-watt Fusion Pro 48 well demonstrate with our largest and highest wattage laser Typical Maximum Power Consumption of the Laser. The only thing Ive ever heard it hurting was UPSes if the printer was plugged into the UPS.
A customer reported that their 400 Watt maximum power rated laser printer was causing an overload condition on a SSW-1000-12 inverter. All Brother HP Kyocera Lexmark Samsung Xerox. This may significantly increase wattage and is not recommended to connect to a UPS uninterruptible power supply.
Your machines display will show the message Please Wait while the machine goes through a brief startup process. Commercial printers which are used in an office will draw 30 to 50 watts on standby and 300 to 500 watts when printing. Anyway wed much prefer to use a laser printer for the better quality performance and print options.
Do not use a UPS on a laser printer. You generally dont want to put a laser printer on a UPS. Consider what happens when there is a bug in the circuit under test and it draws excessive power from a supply like a car battery that is capable of providing lots of power safely.
Same only you can power it off the iPad if it doesnt draw too much power. Along with this specific issue and a general issue of laser printers and surge protectors and UPS therehave been overloads and failures of inverter models relating to laser printer applications. If power happened to go out while you were printing the UPS likely couldnt handle the load.