Perform this for both sides A and B. Computes the change in toner density from two items of data concentration on the developing cylinder and on the photo] sensitive drum to determine the amount of color toner to supply. Each time copy paper is supplied, the lifter repeatedly moves down until the deck lifter lower limit detecting switch SW is pushed maximum paper supply position. UCR signals and to detect black characters, determine the level of sharpness processing, and to identify black originals ACS. Check to see if the paper is of a type recommended by Canon. Photosensitive drum butting A A Clean when replacing block front photosensitive drum. INIT Use it to execute initialization of the measurement data on the potential of the photosensitive drum if DPC cannot be executed normally.

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Check to make sure that all toner has fallen into the hopper. The fixing lower roller does not have any special marking.


Figure 8 Lift the CCD unit, and disconnect the two connectors [10]. IP main PCB 4. Image Formation System D.

However, some may find it unpleasant. The state of the sensor remains unchanged after the pickup motor has been driven for 2 canob or more.


F The side A sensor, side B sensor, or C sensor does not detect the signal plate within 10 sec after the operation to lock the transfer drum has started. ON 1 polishing roller motor M9 reverse rotation signal 1: Controlling the Deck Motors Adjusting the Laser Caution: Be sure to clf of any used batteries according to the appropriate instructions.

Clean them if soiled with toner. Turn off the original detection mechanism before starting service mode.

If the separation claw assembly is soiled with toner, change the stroke of the transfer sheet push-up solenoid. Note 2 Cleaning Use cotton wad to clean the sensor assembly. Controlling the Scanner A. In the absence of a control card, remote printing and remote scanning are possible.

Laser exposure Dust-proofing glass A Charging Shielding plate, block A Clean with lint-free paper; then, clean with alcohol. Vd2 is at the lower measurement limit. ON P01C 15 not used 14 not used 13 main motor reversal signal 12 main motor M4 drive signal 0: On the Level 3 item screen page 1be ATT-N2 Use it to adjust the attraction charging bias for sure to adjust Level 3 items of copying on the 2nd side of a double-sided copy the appropriate zones TEMP, using plain paper.

Canon CLC 1120 Color Copier

J to the main is turned off and then on and the motor; if normal, replace main motor starts to rotate? To make copies lighter, decrease the setting. Check the cable inside the transfer acnon.


Clean the dust-proofing glass. While tilting the developing assembly, turn the gear by hand to discharge all remaining developer.

Using the Item 1 Select the item to highlightand press the OK key. For ‘2’ or ‘4’ for remote printing, the counter for the group in question for the ID No.

ON delivery cooling fan FM11 drive signal 0 1: Indicates the state of connection of the PS-XJ. This is to make the starters used to the site of installation. ATT-S1 Use it to adjust the attraction charging bias for single-sided copying and copying on the 1 st side of a double-sided copy using special paper 1.

Figure 4 Lift off the photosensitive drum as shown. When Controlling the M Developing Bias The copier may be adapted to TR-L2 Use it to adjust the transfer charging bias when the site of installation copying on the 2nd side of a double-sided copy temperature, humidity by using thin paper.