Parts Replacement - Canon imagePRESS 1135 Series Service Manual

Parts Replacement

Title Laser Scanner Unit
Explaination There is no particular action required when the laser unit is replaced.
However, if the fixing temperature is 50 ºC or higher when the unit is powered ON,
electropotential control will not be executed.
Therefore, when the laser scanner unit is replaced and the fixing temperature is 50 ºC
or higher, it is necessary to enter the service mode described above and perform
forced execution of electropotential control.
Title Primary Charging Assembly, Primary Charging Wire, Grid Wire
Explaination 1) Execute cleaning of charging wire with a service mode.
(Cleaning of all charging wires : COPIER > FUNCTION > CLEANING > WIRE-CLN)
2) Execute setting of development contrast and charging voltage with a service mode.
(Execution of voltage control : COPIER > FUNCTION > MISC-P > INTER-EX)
3) Adjustment of primary charging assembly (after replacement of charging assembly)
In service mode, set to "5" for "COPIER > TEST > PG > TYPE" and press the start
key for test printing (halftone pattern), and check the printed image.
a. Adjustment of primary charging assembly (If front side of the printed test image is
dark)
a-1) Rotate the plastic screw [A] clockwise for one rotation. Install primary charging
assembly to main unit in accordance with the replacement procedure for
primary charging assembly and test print to check printed image.
a-2) If the front side of the test print image is still dark, rotate the plastic screw [A]
clockwise one more round. Install primary charging assembly to main unit in
accordance with the replacement procedure for primary charging assembly
and test print to check printed image.
a-3) If the front side of the test print image is still dark, rotate the plastic screw
[B] counter clockwise for half rotation. Install primary charging assembly to
main unit in accordance with the replacement procedure for primary charging
assembly and test print to check printed image.
a-4) If the front side of the test print image is still dark, rotate the plastic screw [C]
clockwise for one rotation. Install primary charging assembly to main unit in
accordance with the replacement procedure for primary charging assembly
and test print to check printed image.
a-5) If the front side of the test print image is still dark, rotate the plastic screw [C]
clockwise one more round. Install primary charging assembly to main unit in
accordance with the replacement procedure for primary charging assembly
and test print to check printed image.
a-6) If the front side of the test print image is still dark, rotate the plastic screw [D]
counter clockwise for half rotation. Install primary charging assembly to main
unit in accordance with the replacement procedure for primary charging
assembly and test print to check printed image.
8
Service Mode > Situation Mode > Parts Replacement
8 Service Mode > Situation Mode > Parts Replacement
Explaination b. Adjustment of primary charging assembly (If rear side of the printed test image is
dark)
b-1) Rotate the plastic screw [B] clockwise for one rotation. Install primary charging
assembly to main unit in accordance with the replacement procedure for
primary charging assembly and test print to check printed image.
b-2) If the rear side of the test print image is still dark, rotate the plastic screw [B]
clockwise one more round. Install primary charging assembly to main unit in
accordance with the replacement procedure for primary charging assembly
and test print to check printed image.
b-3) If the rear side of the test print image is still dark, rotate the plastic screw [A]
counter clockwise for half rotation. Install primary charging assembly to main
unit in accordance with the replacement procedure for primary
b-4) If the rear side of the test print image is still dark, rotate the plastic screw [D]
clockwise for one rotation. Install primary charging assembly to main unit in
accordance with the replacement procedure for primary charging assembly
and test print to check printed image.
b-5) If the rear side of the test print image is still dark, rotate the plastic screw [D]
clockwise one more round. Install primary charging assembly to main unit in
accordance with the replacement procedure for primary charging assembly
and test print to check printed image.
b-6) If the rear side of the test print image is still dark, rotate the plastic screw [C]
counter clockwise for half rotation. Install primary charging assembly to main
unit in accordance with the replacement procedure for primary charging
assembly and test print to check printed image.
4) Perform a power-cycle of main power (OFF / ON)
Title Pre-Primary Transfer Charging Assembly, Charging Wire
Explaination 1) Perform cleaning of accumulated toner at dust & toner collecting area with vacuum
cleaner.
2) Execute cleaning of charging wire with a service mode
(Cleaning of all charging wires : COPIER > FUNCTION > CLEANINNG >
WIRE-CLN)
3) Execute setting of development contrast and charging voltage with a service mode.
(Execution of voltage control : COPIER > FUNCTION > MISC-P > INTER-EX)
4) Perform a power-cycle of main power (OFF / ON)
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