HP LaserJet 1020 Printer "cartridge sensor" Questions

cartridge sensor at oneside of cartridge unit body, fuser sensor near fuser roller. usually need to clean or adjustment the position. 3) check input roller and cartridge unit and fuser unit at running

sensor) I had the same error when replacing the yellow cartridge in my Laserjet HP3600 . I have been using recycled cartridges for some time and this was the first time I have had problems, aside from

...cartridge missing most of the cases..check any paper jams if no remove back cover observe there are two sensors left for paper path sensor & right for catridge sensing sensor, check these two ...

...cartridge lock or door sensor. remove all the toner cartridges. then open and close the door and watch for 4 white hooks that open and close on the right interior of the machine where the cartridges ...

...cartridge iteself IS an HP60 cartidge specifically for this printer, but the sensor wont acknowledge there is ink and wont allow any printing until I buy a brand new $60 HP cartridge. This is a lame ...

...sensor in the printer or in the toner cartridge that tells the printer when the toner is low? yes Is there a sensor in the printer and in the toner cartridge that tells the printer when the toner is ...

spring dislocated? fix it properly, ensure that sensor flag maintain its home position> insert/remove cartridge,observe sensor flag moving properly > Power on the machine, check.. OK?, 

...sensor to detect whether or not a cartridge is present in the device. This sensor is mechanically linked to a second sensor that detects whether or not there is a jam in the pick-up area of the paper ...

...sensor that detects that a cartridge is inserted, but that same sensor also works for paper jams. If you happen to have a jam and restart the machine, it sees that jam as a non toner cartridge error. ...

...cartridge is fully seated.Verify that the connectors between the memory tag antenna, memory controller board, and the DC controller are seated properly. importantly check cyan drum rotation sensor is ...