Memory socket Doing so may cause damage to the printer and the expansion memory. Remove the four screws and then remove the main motor. Heat roller Heat roller Heat L bush. Press roller Bush Bush Lower fuser frame Figure 1-6-20 Removing the press roller 1-6-14. Remove the wire from two clamps. The developing roller contains a 3-pole S-N- S magnet core and an aluminum cylinder rotating around the magnet core.
Service personnel are advised to read this booklet carefully to familiarize themselves with the warnings and precautions described here before engaging in maintenance activities. Dirty edges and back of the paper can be caused by toner accumulated on such parts as the paper chute, paper transportation paths, the bottom of the drum and developer, and the fuser unit inlet. Defective developing roller in the developer unit. Top cover Right side cover Figure 1-6-1 Removing the right side cover 3. Remove the wire from two clamps.
The printer system can automatically rec- ognize whether the data to be overwritten is for controller firmware. . Defective drum unit or developer unit. Screw Fuser unit Screw Figure 1-6-14 7. Toner attracts to the developing roller since it is powdery ink made of black resin bound to iron particles. The waste toner is collected at the output end of the sweep roller and sent back to the toner container, into the waste toner reservoir. When using an extension cable, always check that it is adequate for the rated current.
The laser beam 780 nm wavelength beam is dispersed as the polygon motor revolves 27959 rpm to reflect the laser beam over the drum. Screws Connector Main motor Screws Figure 1-6-33 1-6-24. Controls the software such as the print data processing and provides the interface with computer. . The printers starts and finishes downloading automatically. Remove the two screws and then remove the fuser unit. Clamp Connector Wire Clamp Connector Figure 1-6-12 4.
Laser scanner unit Screw Screw Figure 1-6-28 1-6-21. Controls the paper cassette paper feed. Clamps Wire Connector Figure 1-6-29 4. If none, replace the feed The feed clutch does clutch. Remove the left cover by removing three hooks and three latches. Remove the heat R bush, heat L bush and Heat R bush heat gear from the heat roller. Remove the two screws and then separate the upper fuser frame and lower fuser frame.
Shuts off the power source to the heater lamp when the heat roller reaches extremely high temperature. Controls the primary paper feed. Hooks Hook : Three latches Left cover cover inside Figure 1-6-3 Removing the left cover 6. Remove the two stoppers and then remove the two clutches. Compensates the vertical angle at which the laser beam hits a polygon mirror segment. Due to high-voltage scorotron charging, the charging wire can get contaminated by oxi- dization after a long run.
Remove the label from the toner container. While opening the rear cover and then Hook remove the two screws. Remove the two connectors and then Screw remove the laser scanner unit. Toner contamination in various parts. .
Check for continuity across the coil. Test page will be printed. Remove the laser scanner unit. Remove the press roller from the bushes. See page 1-6-15 or 16. Toner contamination in various parts.
Remove the two screws nuts , plate cord, and terminal. Open the printer top cover and check that the drum unit and developer unit is correctly seated. Defective drum unit or developer unit. If necessary, apply a small amount of electro-conductive grease onto the tab. The problem is that once you have gotten your nifty new product, the Health Maintenance Organizations Milbank Readers gets a brief glance, maybe a once over, but it often tends to get discarded or lost with the original packaging. Remove the two screws and terminal. Lower fuser frame Screw Upper fuser frame Screw Figure 1-6-15 1-6-10.
Remove the developer unit and drum unit. Remove the transfer roller from bushes. Paper cassette Figure 1-3-5 2. Poor contact in the feed Reinsert the connector. Pull the heat R bush and heat L bush with Heat gear heat roller from the upper fuser guide. A page showing a grid image is printed.