INITIAL CHECKS

Check that the following conditions are met

• The source voltage stays within ±10% from the rated voltage shown on the rating plate.

• The printer is installed on a solid, level surface.

• The room temperature is maintained between 50°F and 90.5°F. The relative humidity is maintained between 20% and 80%.

• The printer is not located in a dusty place.

• The printer is not exposed to ammonia fumes or other harmful gases.

• The printer is not located in a hot or humid area (such as near water or a humidifier).

• The printer is not exposed to direct sunlight.

• The room is well-ventilated.

• The printer is not placed where the ventilation hole of the printer is blocked.

Check that the following conditions are met :

• A recommended type of print paper is being used. (If the paper is too thick or too thin, or tends to curl, paper jams or paper feed problems may occur, or printed images may be blurred.)
• The print paper is damped. (If so, use fresh paper, and check whether the print quality improves or not.)

•  The print paper is short-grained paper or acid paper. (If so, print quality problems may occur.)

Check that the following conditions are met :

• The Toner LED is not lit on the printer control panel when a toner cartridge is installed in the printer. (If the LED is lit, replace the cartridge with a new one.)

Condensation:

When the printer is moved from a cold room into a warm room in cold weather, condensation may occur inside the printer, causing various problems as listed below:

• Condensation on the optical surfaces such as the scanning mirror, lenses, the reflection mirror and the protection glass may cause the print image to be light.
• If the photosensitive drum is cold, the electrical resistance of the photosensitive layer is increased, making it impossible to obtain the correct contrast when printing.
• Condensation on the corona unit may cause corona charge leakage.
• Condensation on the hopper plate and separation pad may cause paper feed troubles.
• If condensation has occurred, print several pages or leave the printer for 2 hours to allow it to reach room temperature.
• If the drum unit is unpacked soon after it is moved from a cold room to a warm room, condensation may occur inside the unit, which may cause incorrect images. Allow the unit to come to room temperature before unpacking it. This will take one or two hours.

Operator Calls

An ‘operator call’ which the printer indicates on the LEDs is user recoverable. Identify the error from the table below and take the corrective action described for each indication to correct it.  The printer automatically recovers from most errors, but it may also be necessary to reset the printer with the control panel button.

Blinking Lamp

Error

Solution