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Lexmark X642

Lexmark X642

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TSB (T64x_X64x_117): T64x/X64x ? 241.xx Paper Jam due to New Pick Tires

Bulletin# T64x_X64x_117Problem Description
Machine Type/Model

T640 4061-010

T642 4061-2xx

T644 4061-410

X642e 7002-xxx

X642ef 4061+ 4036

Some of the high end mono pick tires (40X4308) are contaminated with mold release oil. New tires right out of the package will not feed paper.

Solution

Clean the pick tires with alcohol and scrub them with a paper towel to remove the oil. Do not use the old ground pick tires (40X0070) in the T64x and T65x printers. They are more likely to cause multifeeds/paper jams and they only last about 100K pages. The 40X4308 tires are designed to last the entire life of the printer.

Date Created06/10/2010
Last Updated06/11/2010
Safety Issue?No
Code Update?No
Engineering Change?No
New Parts?No
Old Parts Statusn/a
Voltage: 120/240All
Serial No. RangeAll

LEGACY ID: TE269

Overview:

PN - 40X4308

However, there are some cases that these tires are contaminated with mold release oil. New tires right out of the package may not feed paper and may cause 241 Paper Jams. The image on the next page shows the difference between the old and new pick tires.

Old Ground Pick Tires PN-40X0070 (smooth surface)

Bidirectional Ground Pick Tires PN-40X4308 (serrated surface)

Diagnosis

StepAction
1Check first the media that the customer is using and verify if it matches the Paper Type settings on the printer.
2
  • Run the Input Tray Test to verify if the printer is having difficulties pulling the paper from the input tray. If paper jam happened on the process, check the Paper Pick tires and verify if the surface is smooth or serrated. Check the image above to see the difference.
  • If the tires are smooth, then the machine still has the old ground pick tires. If this is the case, replace it with the Bidirectional pick tires. (PN: 40X4308)
  • If the tires are serrated, then the machine has Bidirectional Pick tires. Clean the pick tires with isopropyl alcohol and scrub them thoroughly using a paper towel to remove the possible contamination of mold release oil.
3If the issue persists refer to the Error Code Table in the Service Manual for recommended diagnosis and repair procedures.

LEGACY ID: TE269
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