Cleanin Subject: Imagerunner 2020, constant jam light... Question: Strange machine... I had all the sensors apart to clean/check them. They all seem fine. The jam shows in the fuser (or Drum?) area of the machine but there’s nothing there. The customer had a jam in the fuser right before this happened, but was able to get all the paper out, now the machine will not reset. They also, at some point, removed the cap off the drum unit and dumped the toner out, but claim it worked fine for at least a week after. The Drum is scored on rear frame, but otherwise looks good. This has got to be simpler than it looks, right? Thanks in advance. Answer: First find the jam code. Product: Imagerunner 2018 / 2018i / 2022 / 2022i / 2025i / 2030i Title: How Do You Access the Jam Log? Question: How do you access the jam log? Answer: The Jam Log is included in the Error Log. To print out a JAM/ERR Log do the following steps: Access Service mode ADDITIONAL FUNCTIONS>2>8>ADDITIONAL FUNCTIONS. Scroll until you see “# REPORT” hit OK. Scroll until you see “REPORT OUTPUT” hit OK. Scroll until you see “ERROR LOG LIST” hit OK Product: Imagerunner 2020 Title: Jam Won’t Clear Problem: Asking to check left side of machine or jam won’t clear. Cannot access jam code due to limited capabilities of machine while jammed. Solution: OPEN lower left door. Confirm the guide plate moves freely and is not binding in the rear upper section of guide. When the lower right door is closed it strikes an actuator that may have been dislodged causing a false jam condition. Confirming that the guide and actuator at the rear move freely may resolve a jam that won’t clear. Answer: There is info on Canon’s website regarding the paper sensor actuators sticking. Had a machine with cassette ped where two of the actuators were stuck out of place. Service mode on this model sucks. Only way to get jam code is to print out a report. How do you do that with power-on jams? Answer: Product: Imagerunner 2016 / 2020 / 2016i / 2020i. Title: Power on jam. Problem: Display shows a delivery jam at power on. Delivery Sensor has no paper at flag and sensor changes states. For testing, DC Controller & Fixing assembly were replaced with no change in problem. Solution: Found Cassette Feeder Assembly PCB {FM2-4495-000} not working correctly. After replacing PCB machine worked fine. Imagerunner 2016 / 2016i / 2020 / 2020i. Title: The Display Shows Paper Jam with No Paper Found in the Imagerunner. Problem: The display shows paper jam with no paper found in the Imagerunner. Solution: In this case the flag for SR6 was out of position. You can see the flag by removing the cassette. Imagerunner 2016 / 2020 / 2016i / 2020i. Title: The Imagerunner States Jam but No Paper is Found in The Imagerunner. Problem: The Imagerunner states jam but no paper is found in the Imagerunner. When you check Service Mode for Sensor Check you see that the DEL show 1 0, indicating that SR202 is active. * Service Manual pages 14-80 Solution: This Sensor check shows that SR202 is active. The location of SR202 is within the Fuser Unit. Imagerunner 2016 / 2020 / 2020i. Title: Where do you Access the Jam Log? Question: Where do you access the Jam Log? Answer: The Jam Log is included in the Error Log. To print out a JAM/ERR Log do the following steps: Access Service mode * 2 then 8 * Scroll until you see “Reports” hit OK Scroll until you see “Output” hit OK Scroll until you see “Error Log List” hit OK. Answer: I had this same issue and solved it by slamming the side door. Switch actuators get stuck sometimes. Question: Thanks so much for all the responses. I ended up having to disconnect the harness going to the lower two drawers to get the jam cleared. Why it showed in the top part of the machine I don’t know, but the customer decided to do without the lower drawers instead of incurring the cost to fix it. I don’t think the sensors were at fault; I suspect instead that it was likely the Paper Feed Board that’s a known bad issue. Thanks again! Subject: Panasonic DP-C264 Maintenance Reset Question: Hey everybody. We just installed a 240K maintenance kit on a Panasonic DP-C264 and reset all the counters per manual instructions and the machine still says replace IT belt and STR. We are a Panasonic dealer and cannot get any assistance. Not sure if the NVRAM is bad or what? Any help would be greatly appreciated! Thanks. Answer: Had a similar problem in the past. Try resetting F7-02-68 (factory use only). It automatically counts up every time you do F8. Although I don’t remember if you have to go up or down. Good Luck. Question: Thanks for your help! I went back onsite today and did that and then the 720K maintenance message came up (machine only has about 450K on it). So I had to perform an all counter clear to get this thing going. What a mess. Thanks! Subject: SHARP AR-M 550 FAX  Question: I installed a new fax board on the machine and it says to turn on the power switch. I have installed many of these before and have never gotten this message. I opened it up to see if there was a reset button, because there is no power switch on the unit itself. What am I missing? Is there a setting in the machine that I have to tell it that there is fax on it? Thanks in advance. Answer: Had the same problem on a Sharp MX620. I sent the board out to be repaired and they found nothing wrong so I put it back on and it worked fine. So I suggest you unplug the power cable and then reset it. There is no power on and off button or reset for this problem. Tips appearing in this section are reprinted courtesy of Smarka! The Copier Tech’s Info Source. 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