LD units

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  • tcypy1961
    Senior Tech

    500+ Posts
    • Feb 2009
    • 773

    #1

    LD units

    Can the LD unit from a Ricoh 1035 be used in a ricoh 1045 and can the LD units from the Ricoh's 2035/2045 be used in the Ricohs 1035/1045???
    Thanks!!!
    P.S. I ask because I was working on a Ricoh 1045 that an individual moved to NW Fla. from Tenn. The HDD was bad on my first service call. They have this copier in their garage with no AC and it is hot and muggy here right now. I'm not sure that the copier will work properly in that type of an enviorment. Yesterday I was called for an SC 322. Customer told me they blew can air in the copier at the PCU towards the LD unit. I pulled the LD unit and it was covered with toner dust. I cleaned it as best I could and the error code went to a SC 326. I recleaned all connections on the unit but would not correct the problem. Right before I left I could get a partial copy yet still had the error code. That's a reason I feel it's partly if not mostly enviorment related. I do have another LD unit but it's for a Ricoh 1035.
  • Philinghorn
    Technician
    • Sep 2008
    • 29

    #2
    Hi,

    I'm afraid the laser units are different, I ordered the wrong polygon mirror motor once . Not sure of the part no's at the moment.
    I have dismantled the mirror motor before and clean the shaft & bushing. Put a tiny amount of oil on the shaft. Sometimes it works, but most the time it need a new polygon mirror motor.
    Also check the flat cable connections are clean.

    Have fun in sunny Florida - don't envy you working in a non AC garage

    Phil

    Comment

    • tcs04
      FORMER Techie

      1,000+ Posts
      • Apr 2009
      • 1183

      #3
      Originally posted by tcypy1961
      Can the LD unit from a Ricoh 1035 be used in a ricoh 1045 and can the LD units from the Ricoh's 2035/2045 be used in the Ricohs 1035/1045???
      Thanks!!!
      P.S. I ask because I was working on a Ricoh 1045 that an individual moved to NW Fla. from Tenn. The HDD was bad on my first service call. They have this copier in their garage with no AC and it is hot and muggy here right now. I'm not sure that the copier will work properly in that type of an enviorment. Yesterday I was called for an SC 322. Customer told me they blew can air in the copier at the PCU towards the LD unit. I pulled the LD unit and it was covered with toner dust. I cleaned it as best I could and the error code went to a SC 326. I recleaned all connections on the unit but would not correct the problem. Right before I left I could get a partial copy yet still had the error code. That's a reason I feel it's partly if not mostly enviorment related. I do have another LD unit but it's for a Ricoh 1035.
      Make sure all the seals in the PCU / Dev / Toner hopper area are in good condition. If not toner may leak near to the laser diode board and will cause a reapeat of the problem.

      Comment

      • fishhead

        #4
        Try doing the lazor unit alignment,not sure of the sp
        Sometimes when you move these machines they get bounced around
        and the sp will fix the problem

        Comment

        • tcypy1961
          Senior Tech

          500+ Posts
          • Feb 2009
          • 773

          #5
          The polygon motor is turning. The toner dust I believe came from the customer air out the area with the PCU unit and the developing unit toward the LD unit. This copier was working till the air cleaning by customer; who did the air cleaning for a noise and misfeed problem. Can you say cha-ching.
          Thanks for the replys!!!

          Comment

          • gernah
            Technician

            50+ Posts
            • Jun 2009
            • 57

            #6
            Originally posted by tcypy1961
            Can the LD unit from a Ricoh 1035 be used in a ricoh 1045 and can the LD units from the Ricoh's 2035/2045 be used in the Ricohs 1035/1045???
            Thanks!!!
            P.S. I ask because I was working on a Ricoh 1045 that an individual moved to NW Fla. from Tenn. The HDD was bad on my first service call. They have this copier in their garage with no AC and it is hot and muggy here right now. I'm not sure that the copier will work properly in that type of an enviorment. Yesterday I was called for an SC 322. Customer told me they blew can air in the copier at the PCU towards the LD unit. I pulled the LD unit and it was covered with toner dust. I cleaned it as best I could and the error code went to a SC 326. I recleaned all connections on the unit but would not correct the problem. Right before I left I could get a partial copy yet still had the error code. That's a reason I feel it's partly if not mostly enviorment related. I do have another LD unit but it's for a Ricoh 1035.
            Sir,good day to you!all of us as a service engineer we know the part catalog,were base on the part no.not the model,I want you to ask you are a certified service engineer
            B0041891 LD Unit-Old part no.Model:1035/45
            B0041892 Laser Diode Unit:A-C2c:Ass'y-new part no.Model:1035/45
            B082 1891 Laser Diode Unit:Adonis-C3:Ass'y,Model:2035/45
            Every model is deferent part no.you used the exact part no.for replacement.I never try yet to replace uncompatible part no.But regarding with your problem sc326 is related to ld unit is correct but after you clean you execute the ld pitch adjust?initialized 400dpi/600dpi.if not yet you must execute.if the error is come out again you replace LD unit your problem is solve.

            Comment

            • ccchuah
              Trusted Tech

              100+ Posts
              • Mar 2009
              • 153

              #7
              The whole laser unit of the 1035 are identical to 1045, only the polygon motor are different. You can use the 1035 LD board to replace on the 1045, make sure to adjust the beam pitch adjustment.

              Comment

              • dckm
                Service Manager

                50+ Posts
                • Feb 2009
                • 79

                #8
                you probably just need the LD unit. The blown toner got on the Laser Diode, and got burnt permanently to it, Been there and done that.

                Comment

                • tcs04
                  FORMER Techie

                  1,000+ Posts
                  • Apr 2009
                  • 1183

                  #9
                  Originally posted by dckm
                  you probably just need the LD unit. The blown toner got on the Laser Diode, and got burnt permanently to it, Been there and done that.
                  But, as I said earlier, also check all the seals in the dev / drum area as these machines are famous for blowing toner onto the laser doide board and you don't want the same fault in a few weeks!

                  Comment

                  • Ajnc

                    #10
                    Abouth tthe LD unit question

                    The LD units of 1035 and 1045 are the same but you must know that the polygon motor is not same for the both models also you should check the LASER SYNCHRONIZATION DETECTOR because as you had sad that the Laser unit was full of toner so check the LASER SYNCHRONIZATION DETECTOR it might have some dirth on it or if you have and this part take it with you

                    Comment

                    • Ajnc

                      #11
                      in the parts catalog they have different numbers but it can work in bout machines
                      you should all this after replacment
                      SP2-110 Test Mode Dpi (0: 400 dpi, 8: 600 dpi)
                      SP2-109-1: LD Beam Pitch Adjustment – 400 dpi
                      SP2-109-2: LD Beam Pitch Adjustment – 600 dpi
                      SP2-109-3: LD Initial Setting – 400 dpi
                      SP2-109-4: LD Initial Setting – 600 dpi
                      1. Set SP2-110 to 0 (for 400 dpi), or to 8 (for 600 dpi).
                      2. Do SP 2-109-8 to reset all the beam pitch data.
                      3. For SP2-109-1 input 144.

                      Comment

                      • tcs04
                        FORMER Techie

                        1,000+ Posts
                        • Apr 2009
                        • 1183

                        #12
                        If they (what?) have different numbers, they (?) are not the same!!

                        Check the parts manual.

                        Note the model designation on the serial number plate (B003 / B004 etc) and cross check with the manual to get the CORRECT part!! NEVER guess!

                        Then read the service manual (RTFM) when fitting. Those who say they remember the procedures normally make mistakes!

                        As an old trainer of mine used to say when people laughed at him for using the manual "You never see a Vicar without a Bible"

                        Comment

                        • Shadow1
                          Service Manager

                          Site Contributor
                          1,000+ Posts
                          • Sep 2008
                          • 1642

                          #13
                          The first 2 generations of that machine (which I knew as Lanier 5235/45 and 5435/45) were somewhat interchangeable - there was one laser board for each generation, and one polygon mirror for each speed. We had to learn to "frankenstein" parts together because these pigs were so dirty. Since then we lost track, but it's a good bet the LDDB, Mirror Motor, and possibly Sync board are different between model/speed, but little else has changed. Of course that's enough - Its not worth the headache experimenting.
                          73 DE W5SSJ

                          Comment

                          • Ajnc

                            #14
                            Many part have different numbers in the parts manual but truly they are the same one in the core.
                            i had try to putt a laser into 1045 from 1035 and it works.
                            but the mirror motor is different.
                            So i have a question for you?
                            If you will need a hard disc, do you will by one from ricoh which is 4 times more expensive then the hard disc which is the same as the one from ricoh and you find it in a computer store for price 4 times lower what do you will do?
                            Because the hard disc which i had both it for some price like 50 euro the same one in ricoh is about 1500 euro.
                            So what is the point the bout hard discs work the same job and they work it at same good level with no errors at all

                            Comment

                            • Shadow1
                              Service Manager

                              Site Contributor
                              1,000+ Posts
                              • Sep 2008
                              • 1642

                              #15
                              This has been discussed to death in other threads - bottom line, you don't need to buy Ricoh's overpriced HDD's. Be careful - some machines use 2.5" laptop HDD's, and machines with multiple drives usually need all the drives replaced as a set.
                              73 DE W5SSJ

                              Comment

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