Question about InFocus ScreenPlay 4805 Multimedia Projector

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SP4805 - Problems after Fixing Fan

The main fan broke down, which is apparantly common, and I had good luck hard-wiring it to an external DC power source - but, after putting the beast back together, I'm not getting any image. The bulb comes on, the fans work perfectly, and I've double checked my reassembly for loose wires. Everything, but no InFocus screen or image from video sources. Has anyone else had this problem? Any ideas would be helpful!

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  • 563 Answers

Hi daveyboy84

Take out all the connections one by one and check the pins on the inside.

Posted on May 23, 2008

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Posted on Jan 02, 2017

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Notebook 3521 is shutting down after some minutes for unknown reasons. Any suggestion about the problema?


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Hunter ceiling fan pull chain for fan broke


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MY PRINTER hp laserget 4250 dtn is displaying 57.4 error when I turned it on, what can I do? I am ofetn requested to suitch off and then to switch on but it fails to mark " Ready"


57.4 Main fan error

Hi I hope this will help

The text come from the hp manual

good luck Ian




Q2431-90912 Chapter 7 Troubleshooting 287

57.X

PRINTER ERROR

To continue turn off then on

or

57.3

EP FAN FAILURE

or

57.4

MAIN FAN FAILURE

A printer fan is not functioning.

X Description

3 EP cartridge fan, right side

(LJ 4300 only)

4 Main cooling fan, left side

Turn the printer off and then on.

57.3 Cartridge fan error (F2)

1. Reconnect the connector

between the fan and the

DC controller PCA

(location J78).

2. Replace the fan. See "Cooling

fan (right side;

HP LaserJet 4300 series

printer only)" on page 170.

3. Replace the

DC controller PCA. See

"DC controller PCA" on

page 181.

57.4 Main fan error (F1)

1. Reconnect the connector

between the fan and the

power supply.

2. Verify that the ribbon cables

are fully seated in the

connectors on the

DC controller PCA.

3. Replace the fan. See "Main

cooling fan (left side)" on

page 168.

4. Replace the power supply.

See "Power supply" on

page 188.

5. Replace the

DC controller PCA. See

"DC controller PCA" on

page 181.

57.7

DUPLEX FAN FAILURE

The cooling fan in the optional

duplexer is not functioning.

1. Turn the printer off and then

on.
2. Replace the duplexer.

Mar 25, 2011 | HP LaserJet 4250dtn Printer

3 Answers

E805 ERROR OCCUR. WHAT IS THIS


Hi.

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The repair is suitable for a technician or for an expert DIYer.
Try powering down the unit (disconnect power cord), and see if this can clear the error code.
Call Canon number listed on the user manual to contact support.

Jan 09, 2011 | Canon imageRUNNER 400S Copier

1 Answer

I have error code e000003-0000. How do I get it working again


This is a Heater temperature error, caused by an abnormal drop, or low temperature detection.
It is most likely a blown heater element.

The main thermistor reading is lower than 140°C when paper is moved.
Main cause can be the fixing film unit is faulty (i.e., the main thermistor (TH1) has poor contact or has an open circuit; or, the fixing heater is faulty). or,
The main power supply PCB is faulty. or,
The DC controller PCB is faulty.

Caution: The following steps should only be carried out by qualified people...

To clear the error, execute the following in service mode:
COPIER>FUNCTION>CLEAR>ERR.

CAUTION
Do not clear the error until the fault is repaired. If you clear the error, and there is still an electrical fault it may result in a fire!


Turn on the power switch, and clear E003. (Service mode) Thereafter, turn off and then on the power switch. Does the fixing heater operate?
No? Try checking...
2. Wiring
Is the wiring from the DC controller PCB to the fixing film unit normal?
NO: Correct the wiring.
3. Fixing film unit, DC controller PCB
Try replacing the fixing film unit. Is the problem corrected?
YES: End.
NO: Replace the DC controller PCB.

Good luck

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4 Answers

E805 error in canon ir 400


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Jul 21, 2009 | Canon imageRUNNER 400S Copier

4 Answers

Canon ir 400 photocopier


i have ir400 in my machine. first e805 code has been displayed and after that it shows that to load paper. then after e803 code is displayed. please help

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2 Answers

SP4805 Fan Issue


the fans in these models do not have a speed sensor wire to let the main board know to turn off the lamp to not risk overheating. so if the fan goes, the lamp remains on. however, if the lamp exploded, check the vents for dust. there is a temp sensor that will shut down the projector if it gets too hot. if the vents are clogged, blow the dust out of the projector with canned air. the dust keeps in the heat that the projector is trying to expell. easiest way to repair the fan w/o buying a part: splice the fan wires together. they can share voltage. if the 80mm fan does not work at all after that, replace the fan (pn: 526-0192-xx).

Jul 31, 2008 | InFocus ScreenPlay 4805 Multimedia...

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