There is a silver patch on what is called the ibt belt. If you take out the drum cartridge you can see it if you look in at about the 7 o'clock position. You need to take that belt out to clean it however. If your happy you can do that let me know
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E012 occurs if the machine cannot read the patch when trying to calibrate color. The main causes are- 1) dirty patch sensors, located on the right side of the machine when you open the right door, just above the transfer belt-typically a off white colored plastic piece. you would have to slide to the rear and blow (3) holes out with canned air. 2) ripped belt- would have to be replaced. 3) fatigued developer causing patch to be read incorrectly. 4) faulty motor on Image transfer Unit.
Whats going on from the sound of it is something stopping moving the scanner up and down OR your scanner cant find its referance point. These dont normally bust a gear but do get dusty
You need to look at the scanner and see what it is doing on power up, is it trying to move as if threw the edge of the machine? (no white reference) so keeps trying and thats the noise the scanner movin a mm then another trying to find home but failing.. usally due to dirty mirrors or blown lamp..
Either way I'd watch a few times,... y0u know the lamp under the lid that moves up and down;0..
Yuor HP should turn on lamp and shine it in the inside edge of the machines copy glass near after power up
You can manual move it with power off to the other end and then after removing your hand plug it in and turn it on and see what the scanner does, I bet it moves fine untill it get near home then starts dancin untill it gives up throwin your error (aka dirty mirrors, just use clean lint free soft somethin, no chemicals just good clean of mirrors. or somethings stopping the carriage movin.
Let us know how you go.. Cheers
The Fix... if Im guessing right that is..... is to remove the Torx screws that HP use (need a a torx driver) that hold on the glass, it needs to come out so you can clean the scanner mirrors reflector and lamp (DANGER 240v live UNPLUG;) and ensure the systemt runs well up and down the scan rail, i think you have to fight to remove the plastic cover from the operations panel too,and on some the Doc feeder has to come off, but on yours I think its the op panel to go so you can get to a screw or something.
Symptom: The standard while level was not detected properly when scanning the white plate. Possible Cause: • Exposure lamp defective • Exposure lamp stabilizer defective • Exposure lamp connector defective • Dirty scanner mirror or scanner mirror out of position • SBU board defective • SBU connector defective • Lens block out of position • Incorrect position or width of white plate scanning (? SP4-015)
Error code E 020 0181 means that the patch sensor has turned bad or is dirty, to access this try removing eac dev unit and gently unscrew each top so that the patch sensor window is visible. Also, check whether the toner hopper is overfull, it happens sometimes that the toner motor worm gear splits as a result of the hopper becoming packed tight. This may cause the worm gear to split and break if the hopper is 1/2 full or less. You may need to replace toner motor, part number (FH7-1762-030). If the toner motor is fine, then check whether the web solenoid is activating. Clean the web solenoid and ensure free action. This would clear error E020. If the error still not disappears then make sure that the DC controller is fine and the connections from the controller are fine.
If the copies are coming out with a school fence type image on the copy, it sounds like the low voltage power supply is causing the problem.
One other area to know about is, the laser head might have very dirty mirrors. The mirrors get a film of dirty haze on them causing the copies to print out very faint.
The repair is very involved and complicated.
In order to clean them, the laser assay would need to be removed and opend up. Very delicute care need to be taken when preforming this task.
Another area is if the copies are coming out light, suspect the software version is not up todate. A serivce call might have to be made on it. The service person can update the software on the machine.
Good luck and be safe.
This error is caused by either a dirty scanner mirror or a dirty scanner glass. We have a step by step guide to dis-assembly and cleaning to correct this problem posted on our web site at: www.ccl-la.com Click on the printer repair page and the the HP link. The fix should take about 30 minutes to do but you should be right back printing when you finish.
I hope this helps, If so please rate our solution.
Thanks for using FixYa. Toner sensor error is related to the agitator inside the toner cartridge, it occasionally falls out of its housing so it does not move the toner sensor which is the white plastic piece that moves up and down on the coloured handle, the toner sensors themselves see this white flag if it doesn’t move then the printer thinks the sensor is broken so toner sensor error is flagged and if the flag moves too quickly the machine thinks the toner is empty. To resolve the issue your printer is facing with please check that toner lock lever is in position and follow the following procedure---
Press the cover release and open the printer’s top cover fully. Make sure the Toner Cartridge in question is correctly positioned and the right hand clip is pushed back. While holding it by its top centre, lift the image drum, complete with its toner cartridge, up and out of the printer. On the Right hand side of the toner look for a sensor patch, make sure this is not dirty. If it is dirty clean it with a soft object such as cotton wool. Now look inside the printer opposite to where the sensor patch would sit. There is a black square with a sensor located inside and check that this is not dirty. Now replace the drum and toner, and close the printer cover. Try to print a test page and it will start printing normally.
Please do accept the solution if the issue is resolved or else revert for further assistance.
No, you can't reset. You'll need a tech.
Here's what the manual says:
- Exposure lamp error
- The standard white level was not
detected properly when scanning the
? Exposure lamp defective
? Lamp stabilizer defective
? Exposure lamp connector defective
? Standard white plate dirty
? Scanner mirror or scanner lens out of
position or dirty
? SBU defective
1) Firmware Revision is not latest and lamp warm-up time is too short - update firmware first: http://support.lexmark.com//printerfirmware/ Type in: b103scan
2) Flatbed Lamp has failed and needs replacing.
3) ADF Optical Assembly has failed and needs replacing.
4) Most Common Cause: ADF Optical Assembly Mirrors are dirty and need to be cleaned - Remove plastic cover from ADF and then remove ADF Optical Assembly. Remove the screw from one end and slide out the two mirrors - clean these and the mirror which is fixed.