Question about Xerox Phaser 7700 Laser Printer

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Code 11 on display. "Laser unit cannot find a home position." Does the laser need to be replaced? How much would this cost?

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The Xeron 7700dn has a polygon motor failure error messegen please help me solve this problem

Posted on Feb 24, 2010

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Yes the laser has to be replace.
If you have checked that all the connections from the laser to the engine control board.
If it all of a sudden gave the code 11 then that means you have to replace it.

That laser comes at a price of $500 to $700. refurbished.
part# 116-1110-00-EX

Posted on Jan 12, 2010

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Posted on Jan 02, 2017

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A Malfunction was detected. Please call your technical representative and provide code. C4553


CAUSE: Failed laser unit (C4551 - Cyan; C4552 - Magenta; C4553 - Yellow; C4554 - Black).

SOLUTION: To confirm the failure of one of the laser units, perform the following:
1. Power the copier OFF and remove the power cord from the wall.
2. Switch the position of the laser unit with one of the other laser units.
3. Plug in the power cord and power the copier ON.
4. The failure code should change dependent upon the new location. Replace the laser unit as necessary.

Jul 24, 2012 | Minolta Di251 All-In-One Printer

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Minolta EP2080 malfunction detected ... code C0500 .... this is an old machine ... anything we can do here ourselves to clear the error code?


the laser unit of the machine is faulty.either the polygon motor in the laser unit is not working or the laser diode is not working.anyways u have to replace the laser unit to make it work and it is costly so better buy a new machine

Aug 15, 2011 | Minolta EP4000/5000 CS/PRO Copier

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Laser scanner unit error. Turn off the printer, and then turn it on again. If the same error occurs, turn off the printer, then contact the store you purchased the printer, or a service representative....


Laser scanner unit error.
Turn off the printer, and then turn it on again. If the same error occurs, turn off the printer, then contact the store you purchased the printer, or a service representative. When contacting the service representative, inform them of the error code displayed and symptoms.
Error Code: E100 0000

Jul 29, 2011 | Canon LASER SHOT LBP-2900 Printer

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This problem is with my home theater HT-TZ512. The disc sometimes loads, plays for 15-30 minutes, then randomly stops. The picture is still on screen. It looks like I pressed the pause button. When I...


You need to try a DVD Laser Lens Cleaning Disc.

If this doesn't work then you'll need to remove the cover and clean the Laser Lens with some Lens Cleaning Fluid and a QTip. Just use a few drops on the QTip and then wipe over again with a dry one.

If the above fails then its the Laser that's failing which isn't normally cost effective to replace.

A good way to check is if it will still play CDs but not DVDs then its the Laser.

Jun 11, 2011 | Samsung HT-TZ512T Theater System with...

1 Answer

What is err0r code E 7 02 IN ARM 450 COPIER


The E7-02 means the beam detect sensor never received a beam from the laser. As the previous poster stated you'll need a new laser unit. Meaning that you need to change the whole laser unit but not the polygon motor.

E7 02 Content Laser trouble
Detail BD signal from LSU is kept OFF, or ON.
Cause The connector of LSU or the harness in LSU
is disconnected or broken.
The polygon motor does not rotate normally.
The laser home position sensor in LSU is
shifted.
The proper voltage is not supplied to the
power line for laser.
Laser emitting diode trouble
PCU PWB trouble
Controller PWB trouble
Check and
remedy
Check for disconnection of the LSU
connector.
Use DIAG (SIM 61-1) to check LSU
operation.
Check that the polygon motor rotates
normally or not.
Check light emission of laser emitting diode.
Replace the LSU unit.
Replace the PCU PWB.

Replace the Controller PWB.

Mar 15, 2010 | Toshiba E-STUDIO 650 Copier

2 Answers

SC 329 code Aficio 550


SC 329: Laser Beam Pitch Adjustment Error
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

The LD unit home position sensor does not detect an on condition while changing the LD unit position for correcting the LD position or changing the DPI.


Instructions from the Service Manual below...

.

5.4.3 LASER BEAM PITCH ADJUSTMENT
There are two laser beam pitch adjustment procedures: one for 400 dpi, and one
for 600 dpi. These adjustments use the following SP modes.
· SP2-109-1: Laser Beam Pitch Adjustment – 400 dpi
· SP2-109-2: Laser Beam Pitch Adjustment – 600 dpi
· SP2-109-3: Laser Beam Pitch Initial Setting – 400 dpi
· SP2-109-4: Laser Beam Pitch Initial Setting – 600 dpi
· SP2-902-2, no.12: IPU Test Pattern – Cross Stitch – 400 dpi
· SP2-902-2, no.13: IPU Test Pattern – Cross Stitch – 600 dpi

1. Perform SP2-109-8 (Beam Pitch Data Reset).

2. Input the value for 400 dpi that is printed on the LD unit into SP2-109-1.
Use the value printed after “P” on the new LD unit as shown below.
NOTE: Do not use values printed after a “V”.

(These value numbers are on a sticker inside the machine with a UPC code on it. The numbers are just under the UPC barcode. And example number looks like this: "15980300151P: 120, 172", so the example 400 dpi value here is "120".)

3. Press the “Enter” key.

4. Perform SP2-109-3.

5. Print the 400-dpi test pattern onto A3 (11”x17”) paper using SP2-902-2 no.12
(cross stitch). (See Service Tables - Test Pattern Printing - Section 4.2.3, pasted below.)

6. Write the value of SP2-109-1 on the test pattern which was input at step 2.

7. Change the value of SP2-109-1 and print another test pattern, repeating steps
2 to 5. Print about 5 patterns with different values for SP2-109-1 (e.g. “48”, “96”,
“192”, “240”).

8. Check this test pattern. If the laser beam pitch is not correct, the image looks
like a black vertical stripe pattern.
NOTE: If the laser beam pitch is correct, the vertical stripe is not so noticeable.
If the value is not correct, the vertical stripe pattern is darker.

9. Adjust the laser beam pitch position until the thin lines are of uniform thickness
(no striping effect should appear on the printout), doing steps 2, 3, and 4. (In
step 2, input a value which is estimated to be correct, then do steps 3 and 4,
then if necessary go back to step 2 and try another value.)

10. After adjusting the laser beam pitch for 400 dpi, adjust the laser beam pitch for
600 dpi, using the same procedure as for 400 dpi (use the SP modes for 600
dpi).

.

4.2.3 TEST PATTERN PRINTING (SP2-902)
NOTE: Do not operate the machine until the test pattern is printed out completely.
Otherwise, an SC may occur.

1. Access the SP mode which contains the test pattern you need.

2. Press exit, then touch the “Copy Mode” key on the operation panel to access
the copy mode display.

3. Select the paper size.

4. Press the “Start” key to print the test pattern.

5. After checking the test pattern, exit copy mode by touching the “SP Mode” key.
Reset the test pattern to 0.

6. Exit the SP mode.

.
Test Pattern Table (SP2-902-2: Test Pattern Printing – IPU)
No. Test Pattern
-
0 None
1 Grayscale 1
2 Grayscale 2
3 Grayscale 3
4 Grayscale 4
5 Grayscale 5
6 Vertical Lines (256-greyscale) 13 Cross Stitch (600 dpi)
7 Vertical Lines (1-dot)
8 Vertical Lines (2-dot)
9 Hatch Pattern
10 Cross Pattern
11 Slant Pattern
12 Cross Stitch (400 dpi)
.

Test Pattern Table (SP2-902-3: Test Pattern Printing – Printing)
No. Test Pattern
-
0 None
1 Vertical Line (1-dot)
2 Horizontal Line (1-dot)
3 Vertical Line (2 dot)
4 Horizontal Line (2-dot)
5 Grid Pattern (Single-dot)
6 Grid Pattern (Double-dot)
7 Alternating Dot Pattern
8 Full Dot Pattern
9 Black Band
10 Trimming Area
11 Argyle Pattern
12 16 Grayscales (Horizontal)
13 16 Grayscales (Vertical)
14 16 Grayscales (Vert./Hor.)
15 16 Grayscales (Vert./Hor Overlay)
16 Not used
17 Horizontal Line (1-dot)
18 Grid Pattern (Single-dot)
19 Grid Pattern (Double-dot)
20 Alternating Dot Pattern
21 Blank Page

.

These adjusments listed in the manual require removal of a service panel and mechanical adjustment of the laser mounts, so it should be done by a qualified technician.

However, these test procedures can indicate whether or not this is the problem with your printer.

Dec 12, 2008 | Xerox WorkCentre 490CX All-In-One InkJet...

1 Answer

Errore code E 7


Hi p_brooks
E7:
01:DUPLWX MEMORY PROBLEMS
02:LASER PROBLEMS
03:LASER PROBLEMS
10:CCD BLACK CORRECTION SHADING PROBLEMS
11:CCD WHITE CORRECTION SHADING PROBLEMS
12:CCD WHITE SHADING PROBLEM
16:LASER PROBLEMS
thanks

Hamedo

Nov 22, 2008 | Sharp AL-1451 Laser Printer

1 Answer

Unit 11 laser polygon motor failure


Most likely, all the problems you are experiencing are being caused by a bad laser motor assembly. We can send you a motor assembly for the laser unit and you can change it out yourself, however, we will have to charge for the entire unit since it makes one laser unit worthless. You would save on shipping that way. Aligning the lasers is a little tricky, but doable. The manual can be downloaded at: www.lpscomputer.com/ec/Phaser_7700_Service_Manual.pdf
The parts can be ordered at: http://www.lpscomputer.com/p-3060-1-116-1110-00-laser-unit.aspx

Aug 12, 2008 | Xerox Phaser 7700 Laser Printer

1 Answer

AL 1530 Sharp


The E-7 code is a laser unit code. The laser unit is bad, the cost to repair it maybe $250.00 to $400.00 depending on the service company. Hope this helps. Let me know if you need any more help.
Chuck

Dec 22, 2007 | Office Equipment & Supplies

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