Paper feed problems

Use the following table to solve problems related to moving paper or documents through the HP LaserJet 1100 Printer.

Table 5-4. Solving paper feed problems

Problem Cause Solution

Pages are Paper is curled or wrinkled when using the Use the front paper output slot by pushing coming out paper output bin. the paper path lever to the lower position.

curled or _

Paper is not stored properly. Whenever possible, store paper in its thp HP I acor lot sealed ream at room temperature.

1100 Printer.

Long pages stop The document feeder tray guides are not Check for broken or missing document feeding through set correctly, are broken, or are missing. feeder tray guides and replace as the document necessary.

scanner. -

The maximum scannable page length is Do not try to pull the page out because 30 inches (991 mm). If the page is longer, you may damage the document scanner. scanning stops at 30 inches (991 mm). To remove the page, open the document release door and remove the jammed media.

Print is misaligned on the page (skewed pages).

The paper input bin is overfilled.

Remove some of the paper.

The paper guides are not set correctly, are broken, or are missing.

Be sure to center the paper with the guides. Verify that the guides are not adjusted too tightly or too loosely against the paper. Check for broken or missing paper guides and replace scanner as necessary.

The paper's weight or surface finish does not meet HP's specifications.

Make sure that the media meets specifications detailed in HP's media specifications guide.

Scanned items The document feeder tray guides are not are crooked. adjusted properly.

Be sure to center the paper with the guides. Also, verify that the guides are not adjusted too tightly or too loosely against the paper. Check for broken or missing document feeder tray guides and replace scanner as necessary.

Problem

Cause

Solution

The HP LaserJet 1100 Printer is feeding multiple sheets or jams frequently from the paper input bin or singlesheet input slot.

Paper guides are not adjusted properly.

Slide the guides against the sides of the stack in the paper input bin or against the single sheet in the single-sheet input slot to center the paper. Make sure the guides are not adjusted too tightly.

Paper was not removed from the paper input bin before filling the bin.

Always remove paper from the paper input bin before refilling the bin.

The paper input bin is overfilled. Remove some of the sheets. The paper input bin can hold up to 125 sheets of 20-lb. (75g/m2) bond weight paper (less for heavier paper) or from 7 to 10 envelopes.

More than one sheet was placed in the

Place only one sheet at a time in the

single-sheet input slot.

single-sheet input slot.

The paper was poorly cut by the

"Break" the ream of paper by curving it

manufacturer and is sticking together.

into an upside-down u-shape; this may

effectively decrease multifeeds. Also try

turning the paper around to feed the

opposite end first, or use a different type

of paper.

The paper does not meet HP's

Make sure that the media meets

specifications for print media.

specifications detailed in HP's media

specifications guide.

The output capacity was exceeded in the

Do not allow more than 100 sheets of 20-

paper output bin or front paper output slot.

lb (75g/m2) bond weight paper (less for

heavier paper) to fill the paper output bin.

The pickup roller is dirty.

See "Cleaning procedures" in this chapter.

The pickup roller is damaged.

Replace the pickup roller.

The separation pad is dirty.

Clean the separation pad.

The separation pad is damaged.

Replace the separation pad.

A sensor is not operating properly.

Check the sensors to make sure that none

of them are jammed. If a sensor cannot be

"unjammed," replace the sensor.

There is a problem in the paper path.

Perform the "Paper path check," which is

discussed later in this chapter, to

determine which parts should be

Cause

Solution

The HP LaserJet 1100 Printer is feeding multiple sheets or jams frequently from the document feeder tray.

Guides are not adjusted properly.

Remove the document from the document feeder tray. Straighten the item, then reinsert it. Slide the guides against the sides of the item to center it. Make sure the guides are not adjusted too tightly.

The document feeder tray is overfilled.

Remove some of the sheets. The document feeder tray can hold up to 10 pages, depending on the thickness of the pages.

The item was too thick, too slick, or otherwise did not meet specifications.

Make sure that the media meets specifications detailed in HP's media specifications guide.

The document scanner pickup roller or separation pad is dirty and cannot feed the document.

See "Cleaning procedures" in this chapter.

The document scanner pickup roller or separation pad is damaged or worn.

Replace the scanner.

The sensor is not operating properly.

Check the sensor to make sure it is not jammed. If a sensor cannot be "unjammed," replace the scanner.

There is a problem in the document scanner path.

Check the path for obstructions. Readjust as necessary or replace the scanner.

Items loaded in the document feeder tray fall forward out of the tray.

The item is on a very lightweight media.

Do not try to pull the page out because you may damage the document scanner. Open the document release door and remove the jammed media. Then, curl or roll the item in the direction of the printed side, unroll it, and reload the item.

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