Lexmark E260dn Service Manual - Page 77

Media picks but stops halfway through the printer, Media never picks - clean

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4513-220, -230 Media picks but stops halfway through the printer FRU Input/duplex sensors (under print cartridge assembly) Input sensor (manual) Action Make sure the input sensors are working properly. Check for a broken or stuck flag on the input sensors. Clear anything that keeps the flags from rotating freely. Make sure the cables are seated on the controller board at J27 (input/duplex sensor) and J23 (manual input). Check for +5 V dc on pin 2 and 5 at J27 (input/duplex sensors) and pin 2 at J23 (Input sensor). Voltages on pins 1 and 4 at J27 pin 1 at &23 should charge as the flags intersect with the sensor. • If correct, then replace the input paper feed sensor. • If these voltages are not correct, then replace the controller board. • Check the pick tires. Clean or replace as necessary. Media never picks FRU Paper feed (pick tires) tray 1 Paper feed (pick tires) tray 2 Media drive ASM Media feed clutch ASM Manual feed clutch ASM P/U and manual feed solenoid ACM drive shaft Action Open the left cover, and verify that the solenoids and clutches are functioning when an attempt is made to feed the media. Make sure the rubber tires on the ACM are installed and clean. Replace the tires, ACM drive, clutch assemblies, solenoids, or drive shaft as necessary. Media occasionally mispicks or picks multiple sheets at once FRU Tray 1 Tray 2 (option) Paper pick tires (Tray 1 or tray 2) ACM clutch Manual feed clutch Media feed clutch ASM (tray 1 only) Manual feed clutch solenoid Controller board P/U and manual feed solenoid ASM. Action Check tray for media catch points. If the sheet being fed stops momentarily, then the ACM applies additional vertical force, causing additional sheets to feed. Do not mix media types in one tray. Check the tires in the ACM assembly for signs of wear or damage. Replace the tires as necessary. Open left cover, and observe the solenoid and clutch actions at the ACM and manual feed shafts as a print job is attempted. Replace the faulty part. Disconnect the solenoid cable at J26 on the controller board and measure the resistance across cable pins 1 and 2. • The resistance should be approximately 70 ohms. • If it is not, then replace the solenoid. • If the resistance is approximately 70 ohms, then check the controller board. Pin 1 at J26 should be +24 V dc. See "Controller board service check" on page 2-46 for more information. Replace controller board as necessary. Diagnostics information 2-51

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Diagnostics information
2-51
4513-220, -230
Media picks but stops halfway through the printer
Media never picks
Media occasionally mispicks or picks multiple sheets at once
FRU
Action
Input/duplex sensors
(under print cartridge assembly)
Input sensor (manual)
Make sure the input sensors are working properly.
Check for a broken or stuck flag on the input sensors. Clear anything that
keeps the flags from rotating freely.
Make sure the cables are seated on the controller board at J27 (input/duplex
sensor) and J23 (manual input).
Check for +5 V dc on pin 2 and 5 at J27 (input/duplex sensors) and pin 2 at
J23 (Input sensor). Voltages on pins 1 and 4 at J27 pin 1 at &23 should
charge as the flags intersect with the sensor.
•
If correct, then replace the input paper feed sensor.
•
If these voltages are not correct, then replace the controller board.
•
Check the pick tires. Clean or replace as necessary.
FRU
Action
Paper feed (pick tires) tray 1
Paper feed (pick tires) tray 2
Media drive ASM
Media feed clutch ASM
Manual feed clutch ASM
P/U and manual feed solenoid
ACM drive shaft
Open the left cover, and verify that the solenoids and clutches are functioning
when an attempt is made to feed the media.
Make sure the rubber tires on the ACM are installed and clean.
Replace the tires, ACM drive, clutch assemblies, solenoids, or drive shaft as
necessary.
FRU
Action
Tray 1
Tray 2 (option)
Check tray for media catch points.
If the sheet being fed stops momentarily, then the ACM applies additional vertical force,
causing additional sheets to feed.
Do not mix media types in one tray.
Paper pick tires
(Tray 1 or tray 2)
Check the tires in the ACM assembly for signs of wear or damage.
Replace the tires as necessary.
ACM clutch
Manual feed clutch
Media feed clutch ASM
(tray 1 only)
Manual feed clutch
solenoid
Open left cover, and observe the solenoid and clutch actions at the ACM and manual
feed shafts as a print job is attempted.
Replace the faulty part.
Controller board
P/U and manual feed
solenoid ASM.
Disconnect the solenoid cable at J26 on the controller board and measure the resistance
across cable pins 1 and 2.
•
The resistance should be approximately 70 ohms.
•
If it is not, then replace the solenoid.
•
If the resistance is approximately 70 ohms, then check the controller board. Pin 1 at
J26 should be +24 V dc. See
“Controller board service check” on page 2-46
for
more information.
Replace controller board as necessary.