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Profile: 8825, 8830 (Xerox Engineering Printers
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1. Exit Following is a list of Output Codes followed by some extremely important warnings there are some things you need to know which I ve marked with and some things which need to be run together which I ve marked with a single asterisk Output Codes 02 01 Display Individual LED s 02 03 Service Meter 1 2 click on Enter balance of click on Exit 02 10 Control Panel LED s 04 03 Runs Drum Developer amp Fuser Motors caution 07 03 Roll Feed Motor Forward 07 04 Roll Feed Motor Reverse 07 16 Roll Drive Motor and Roll 1 Feed Clutch 07 17 Roll Drive Motor and Roll 2 Feed Clutch 07 18 Roll Drive Motor and Roll 3 Feed Clutch 07 20 Cutter Brake 07 23 Cutter Drive Motor 07 27 Roll 1 Rewind Clutch 07 28 Roll 2 Rewind Clutch 07 29 Roll 3 Rewind Clutch 07 30 Roll 1 Feed Clutch 07 31 Roll 2 Feed Clutch 07 32 Roll 3 Feed Clutch 07 33 Bypass Clutch 09 05 Toner Dispense Motor 09 14 Cooling Fans slow speed if fuser cold 09 17 Transport Drive Motor 09 25 Toner Cartridge 1 revolution 09 56 Test Pattern be patient 09 57 Display area coverage of last print made 09 66 Erase Lamp 10 09 Fuser Power Relay On 1 Caution The Fuser must be at the run temperature before the Drive Motors are switched on to prevent damage to the fuser cold fuser oil can be very viscous and will do some serious damage if you aren t aware of this The Parts Drop 201 387 7776 www partsdrop com There are so
2. possibility that you may in some relatively rare cases need to call in the The Parts Drop 201 387 7776 www partsdrop com cavalry It s also advisable that you pick up a full Service Manual or have the customer pick one up from Xerox The part number for the Service Manual which I ve been drawing from is 701P08690 In a future article we ll cover the Diagnostic test codes as well as some of the more commonly needed adjustments Hopefully some of the similarities to other Engineering machines will be helpful in your decision as to whether or not to tackle these when they come calling they are relatively few and far between after all so it s good to know when your learning curve applies to some extent to other models Profile 8825 8830 Xerox Engineering Printers Part 2 In the May issue of ENX you can find Part 1 of this series on the Xerox 8825 amp 8830 Engineering Printers These machines are earning folks respect out there they are reportedly reliable pieces of equipment So lets finish up where we left off in May s article In Part 1 of this series we compared and contrasted these machines to their 3030 analog engineering copier predecesors we also hit on the Status Codes and their meanings Now let s delve into the diagnostic codes and adjustments To get into diagnostics mode you ll press and hold the 0 button while turning on the power The display will prompt you for the Chain which is th
3. The Parts Drop 201 387 7776 www partsdrop com Originally published in ENX Magazine www enxmagazine com Profile 8825 8830 Xerox Engineering Printers Part 1 In my article writing adventures most of the time I have kept to the Xerox brand copiers Once in a while I ve strayed into the Engineering Copiers and on occasion I ve been known to hit on a printer which is like a copier we already know This time it s an Engineering Printer which happens to cross rather closely to an Engineering Copier Back in the beginning of 2003 there were a pair of articles published in ENX which covered the 3030 style copiers 3030 3050 3060 The 8825 and 8830 are Digital Printers which happen to have quite a lot in common with the 3030 style It may come as a surprise that the 8825 8830 digital printers have anything at all in common with the analog 3030 copiers I can think of no other instances in which Xerox used an analog machine as the basis for creating a digital printer usually the design starts over with the possibility of some parts in the feeder or fuser crossing over if anything In this case you can refer to a list of Status Codes from the 3030 and although there will be new codes not listed in the 3030 book and there are 3030 codes which would never show up on an 8825 or 8830 console the list remains mostly valid Same goes for the Diagnostic Codes A primary difference is that the 8825 does not offer scanning capability and ther
4. e first part of any of the diagnostic codes So type in the first part of the code followed by Enter Then input the Test which is the second part of the code followed by Enter again Pressing Exit will stop a test in progress and pressing Exit again would clear the Chain To exit diagnostics you can either turn off the power and wait 5 seconds before powering back up or you can enter diagnostic code 03 61 which will exit you directly to warm up mode Similarly to many of the Xerox machine s I ve dealt with here there are three basic types of Diagnostic Codes available The first set are the Input codes which allow you to test various switches and sensors Second are the Output Codes which test things like motors solenoids lamps etc Finally are the codes which the Manual refers to as Special Tests which are basically adjustment codes for the NVM Non Volatile Memory There is also kind of a sub set of sorts in the code 09 21 which gives you access to a few adjustments relating to copy quality The Parts Drop 201 387 7776 www partsdrop com So here goes For the Input Codes you enter your code and then go and manually actuate deactuate the sensor being tested if that sensor and it s circuit is working the display will change state between 0 low and T high Following is a partial list of the codes available for the sake of saving space I ve left off a few
5. efore has no Document feed components and no exposure lamp For writing on the photoreceptor it uses an LED Array so the drum is a different material although the drum cleaning blade crosses over just fine The toner is dual component using the same shot of developer as found in the 3030 as a starter shot The machine is designed to continually refresh the developer supply by adding some with each new toner cartridge the older developer gets removed from the system much the same way as the developer did in the 5018 copiers Developer replacement therefore isn t at a specified interval but instead would only be necessary in the case of loss or contamination of developer material The fuser is similar in some ways same Upper Fuser Roller and stripper fingers Also these use the same idea for the pressure in the fuser they use a Fabric Guide the fabric piece which mounts on a plate which then serves as the pressure for the fusing instead of a pressure roll A new feature in the 8825 8830 is a Fuser Web The previous machines had used a wick and oil pad system for lubricating the fuser but now you ll find a 3 The Parts Drop 201 387 7776 www partsdrop com foot long web roll similar in appearance to the much shorter 5018 fuser web Sounds scary Maybe but so far no reports of webs wrapping around the fuser roll so our fears may be unfounded time will tell Now let s have a look at the meanings behind some of t
6. h 3 Adjust Charge Vlow 4 Adjust Image Density higher number lightens copy run the 09 06 code to tone up tone down automatically after you adjust the image density 5 Illuminates the LED Image Bar for observation purposes that s the thing which writes on the drum in this machine 6 Calibrates the Toner Control Sensor 7 Humidity Sensor control point setting That is about it on this series Happy repairing to you all
7. he Status Codes While these codes follow the basic lines of the 3030 copier you Il find some differences You ll not find any A codes for example as those pointed to Document jams obviously no document feeder no A codes STATUS CODES C codes are mostly related to Paper Feed problems E2 codes are paper jams inside the printer E4 codes are exit jams E5 codes indicate interlocks which are open J1 01 means out of Toner J2 02 indicates a Toner Cartridge Home position sensor problem LL codes can indicate a wide range of problems Here is a quick list LL 05 Fuser Web end of life LL 06 Fuser web motor not seen turning LL 10 Paper transport or Xerographic module are disconnected LL 12 Drum motor failure LL 21 High Voltage Charge failure LL 22 High Voltage Transfer failure LL 30 Cutter fault LL 41 through LL 45 Fuser problems LL 50 Problem with Bulk Power Supply which provides 26VDC LL 60 NVM Non Volatile Memory failure LL 90 Overtoned condition LL 91 Low Toner problem U1 01 Print Counter is disconnected That does it for the Status Codes As is the case with most of the Engineering class copiers and printers unless you know these machines really well you ll not want to place them under contract Keep things time and materials and be prepared for the
8. me codes which must be run together or Chained as the Service Manual calls it to Chain several codes you enter your first code then press the Media button then enter your next code press Media again to add a third and so forth To stop a bunch of chained codes you can press and hold the Dot button while pressing the Exit button this will clear all of the codes which were entered e For 07 28 Roll 2 Rewind Clutch you must first start up the Roll Feed Motor in the forward direction using code 07 04 Roll feed motor forward then chain the other code to see if the clutch you re testing works e For 07 27 Roll 1 Rewind Clutch or 07 29 Roll 3 Rewind Clutch you l first need to start up the Roll Feed Motor in the reverse direction using code 07 03 Roll feed motor reverse Finally we come to the Special Tests or NVM non volatile memory adjustments you enter the codes the same way as the input or output codes but to change a value you press the Enter button and then use the Previous and Next arrow keys to select the value you want Then press Enter again to lock in your selection Here s the list Special Tests Memory Adjustments 02 63 Inches vs Metric Billing Meter count O Inch 1 Metric 03 60 NVM Reset to Defaults entering 1 resets all to the US defaults 03 61 Exits Diagnostic Mode 03 63 Resets NVM to a backup file 03 91 Recent Fa
9. ult Log 03 92 Fault History Log of occurrences of each fault code since log was last cleared 06 02 Vertical Magnification 07 00 Cut Length Adjustment 08 60 Image Registration 09 06 Tone Up Tone Down adjusts concentration to set point 09 21 Electrostatic setup 09 22 Disables toner faults select Yes for running with toner faults then use code 03 61 to exit to run mode 09 26 Reset Toner Control Bias to default 09 55 Test Pattern from memory 9 patterns available 10 04 Fuser Run Test automatically warms up the fuser and displays the thermistor reading once up to temp the Drum Developer and Fuser Drive Motors are switched on All interlocks must be closed for this test to run The Parts Drop 201 387 7776 www partsdrop com 10 10 Fuser Scorch Sensor overheat thermistor 1 temp less than 420 degrees F 0 temp over 420 degrees 10 26 Reset Fuser Control NVM to default values 10 30 Reset Oil Web count 10 32 Web Oil Rate default 100 range is from 50 200 10 33 Advance Oil Web used to tension the web properly when oil assy is removed and reinstalled 10 34 Estimate Oil Web life 10 60 Fuser Temp adjustment bond media 10 62 Fuser Temp vellum media adjustment 10 63 Fuser Temp film media adjustment The Electrostatic Setup code 09 21 has more to it From that code you can run sub tests using the number keys as follows 1 Transfer Detack Corotrons on 2 Adjust Charge Vhig
10. which you ll not likely use I ve placed asterisks next to any items which could use a bit of explanation will give some more detail after the list Input Codes 01 01 Front Door Interlock 01 05 Cut Sheet Feed Shelf Interlock 01 06 Top Cover Interlock 02 02 Keyboard Test 07 01 Module Loop Interlock 07 02 Cutter Drawer Interlock 07 07 Roll 1 Input Sensor 07 08 Roll 2 Sensor 07 09 Roll 3 Sensor 07 10 Roll 1 Motion Sensor 07 11 Roll 2 Motion Sensor 07 12 Roll 3 Motion Sensor 07 13 Roll 1 Drawer Sensor 07 14 Roll 2 Drawer Sensor 07 15 Roll 3 Drawer Sensor 07 21 Cutter Home Sensor 08 01 Bypass Sensor 08 02 Buckle Sensor 08 03 Media Registration Sensor 08 07 Exit Sensor 08 08 Catch Tray Full Sensor 09 01 Toner Ctg Home Sensor 09 02 Drum Motor Stall Sensor 10 05 Fuser Jam Switch 10 08 Fuser Open Sensor 10 10 Fuser Scorch Sensor overheat thermistor The Module Loop Interlock is a circuit which sees that both the Media Transport Module and the Xerographic Module are installed if either is missing the interlock isn t made and the test will read low 0 The Parts Drop 201 387 7776 www partsdrop com Next lets have a look at the Output Diagnostic Codes which operate the motors solenoids etc To activate any component enter the first part of the code followed by Start then the second half of the code when you press Start the component should activate To stop the component press
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