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Lexmark CX725

Lexmark CX/CSx2x and XC/Cxxxx: Paper Size Detection Is Incorrect due to Tray Configuration Issue

Affected Products:

Single-Function: CS720, CS725, CS727, CS728, C4150, CS820, C6160

Multifunction: CX725, CX727, XC4140, XC4143, XC4150, XC4153, CX820, CX825, CX860, XC6152, XC6153, XC8155, XC8160, XC8163

Issue Description:

When a user physically sets the paper tray guides to a standard size (i.e., Letter, A4, Legal, Exec, B5, State, Folio, A5, A6), the paper setting indicates that it is set to Universal.

Solution:

1. Make sure the tray restraints are properly aligned to the desired standard size.

  • Available selections: A5-A6, Statement, B5, Executive, Letter, A4, Oficio (Mexico), Folio, Legal.

  • There is an indicator to provide the user with tactile feedback when the restraint is set to one of these marked positions.

  • Setting the rear restraint to any other position will result in the printer declaring it as a Universal size.

CS/CX72x Tray rear restraint

(A)

- Letter Size
CS/CX72x Tray rear restraint

(B)

- Universal Size

CS/CX82x/CX860 Tray rear restraint

(A)

- Letter Size
CS/CX82x/CX860 Tray rear restraint

(B)

- Universal Size

2. Manually override the previous Universal size declaration:

Access the printer's menu and go to;

Settings > Paper > Tray Configuration > Paper Size/Type > Tray [#] > Size

then manually select the appropriate paper size.

3. Update the printer's FW to the latest version:

Access the printer's embedded web server (EWS) and update the firmware (FW) to version 052.266 or higher.


NOTE:
The latest firmware downloads can be downloaded from the

Lexmark support site

.

Explanation:

In printer firmware version 5 (FW5), the paper size auto-detection algorithm was changed to make Universal size a persistent setting as long as the printer is powered on once the tray's rear restraint has been moved to a

non-standard position

.

Updating the printers firmware to version 052.226 or later will result in the tray size sensing function to act similarly to how it worked before initial FW5 release.


Note:
The left side restraint position will not affect the automatic size settings and will only apply to the primary input (Tray 1) & option input (Tray 2, Tray 3, Tray 4). The multi-purpose feeder (MPF) input is not affected by the automatic size detection.

Still Need Help?

Have the following available when calling Lexmark Technical Support;

  • Printer model(s)

  • Printer serial number

LEGACY ID: SO8721

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