Cleaning Knob (Green) 4-6 4.2. Cleaning Cleaning the Grid 1. Take the grid cleaner from protective bag in the new toner kit, and remove the cap. Protective
Bag Cap The grid cleaner pad is impregnated with water. Perform the following cleaning procedure before the pad dries. Grid Cleaner 2. Attach the grid
cleaner to the printer with the pad uppermost, as shown in the diagram. Grid Cleaner 3.
After attaching the grid cleaner, repeat the action of slowly pulling out and then pushing back in the main charger unit at least 5 times. It is easier to pull out
the main charger for the first time if it is raised slightly, as shown in the figure. The grid part underneath the main charger is cleaned by this procedure. (3)
(1) (2) Main Charger Unit 4. When the grid is clean, remove the grid cleaner from the printer and dispose of it. The grid cleaner is not re-usable. 5. After
cleaning the charger wire, push the cleaning knob all the way in and close the side cover. 4-7 4.2.
Cleaning Paper Feed Unit To avoid print quality problems due to paper dust and debris, clean the paper feed unit in the following manner. 1. Pull the paper
feed unit release lever up and draw the paper feed unit all the way out until it stops. Paper Feed Unit Release Lever 2. Wipe the paper dust on the registration
roller and the paper ramp using the wiper cloth included in the toner kit.
Wiper Cloth Paper Ramp Transfer Roller [Black] See Note () below. Registration Roller Paper Feed Unit Do not touch the transfer roller (the black roller)
when wiping the paper ramp. 4-8 5.1. General Guide Chapter 5 Troubleshooting This chapter explains how to handle printer problems which may or may not
occur.
The procedures are easy to follow. If a problem persists after you have completed the appropriate troubleshooting procedures, call for the assistance of a
service person. 5.1. General Guide If the printer does not print If nothing is displayed on the message display on the front control panel, then you probably
have a power problem. See section 5.2. If the printing is abnormal With the printer on-line and ready, press the STATUS key to print a status page. You can
also optimize print quality using the KIR test pattern printed at the bottom of the status page. To adjust the print status, see Chapter 2.
Ì If the result is normal, you may have an interface problem. See section 5.3. Ì If the result is not normal, you have a print quality problem. See section 5.4. If
a maintenance message is displayed on the message display: Ì See section 5.5. (For a paper jam, see section 5.6.
) If the printer does not print the entire page or indicatesý0HPRU\ RYHUIORZ on its message display, try adding optional memory. To add optional memory,
see Chapter 1. 5-1 5.2. Power Problems 5.
2. dealer. Power Problems The printer power rating must be within the voltage range in your country. If in doubt, consult your If nothing happens when you
switch the printer's power on, you have a power problem. The symptoms are a dark control panel, no printing, and no fan sound.
Proceed as follows. Check the power switch. The on position is marked "|". The off position is marked "O". Check the power cord. If the cord is loose at either
end, switch power off, plug the power cord in securely, then switch power on again. Call for the assistance of a service person. If the above checks do not
solve the problem, call for the assistance of a service person. 5.3.
Interface Problems If the printer prints a status page correctly but does not print data from the computer correctly (or at all), there may be an interface
problem. Check the interface (network) cable. Make sure the cable is plugged in securely at both ends. Check your file and software. Try printing a different
file, or using a different print command. Try using a different cable. Compare the pin assignments listed in Appendix C with the specifications of your cable.
Call for the assistance of a service person.
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