Xerox 4400DT Service Manual - Page 65
Stacker Jam Troubleshooting Procedure cont'd., Actions and Questions, Are all readings 70 - 10 ohms?
View all Xerox 4400DT manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 65 highlights
Stacker Jam Troubleshooting Procedure (cont'd.) Step Actions and Questions Yes No 6 1. Remove the Left Interface Cover (RRP 1.1 on Go to step 7. Replace the page 6-6), Left Cover (RRP 1.2 on page 6-7), and the Engine Logic Left Plate (RRP 1.11 on page 6-16). 2. Enter Service Diagnostics and select Motors/Fans Tests. 3. Scroll to Stacker Motor. Board (RRP 9.3 on page 6-89). 4. On the Engine Logic Board, measure the voltage between P/J35 pin 6 and frame ground as you press OK. Does the voltage drop from +3.3 VDC to +0.5 VDC when OK is pressed? 7 1. Switch the printer power OFF. Replace the Replace the 2. Remove the Stacker from the printer (RRP 10.1 on Stacker PWB Stacker page 6-101) and turn the Stacker upside down. 3. Disconnect P/J210 from the Stacker PWB. 4. Check the resistance between pins 1 and 4, pins 1 and 6, pins 2 and 3, and pins 2 and 5 on the (RRP 10.7 Motor (RRP on 10.8 on page 6-107). page 6-108). disconnected plug. Are all readings 70 ± 10 ohms? 8 1. Open the Stacker Rear Cover. 2. Press OK to run the Stacker Motor. 3. Check the Stacker rollers. Are the Stacker Rollers rotating smoothly? Go to step 9. Repair or replace the Stacker Rollers as necessary (RRP 10.14 on page 6-114/ RRP 10.15 on page 6-115). 9 1. Switch the printer power OFF. Go to step Repair or 2. Remove the Stacker (RRP 10.1 on page 6-101). 10. 3. Open the printer rear cover and check the movement of the Exit Gate. replace the Exit Gate as necessary Does the Exit Gate move freely in both (RRP 6.4 on directions when pressed and released? page 6-69). 10 1. Reinstall the Stacker. Replace the Replace the Note: Each time the printer's rear cover or front cover is opened and closed with power applied, the printer performs a reset. At the completion of the reset, the Exit Gate toggles between fully open and fully closed Stacker PWB (RRP 10.7 on page 6-107). If the Direction Solenoid (RRP 10.10 on page 6-110). positions. problem If the 2. Open the printer rear cover. Remove the Duplex Unit if installed. 3. Switch the printer power-on. 4. Cheat the Rear Cover Interlock and watch the Exit Gate at the end of reset. persists, replace the Engine Logic Board (RRP 9.3 on problem persists, replace the Stacker PWB (RRP 10.7 5. Remove then replace the Rear Cover Interlock page 6-89). on cheater. page 6-107). Does the Exit Gate toggle at the completion of each reset? 2-28 Phaser 4400 Laser Printer Service Manual