Canon iR5570 Series, Service Manual

Page: 210 / 684

Chapter 7
7-12
2. when the wire cleaning mechanism is executed in service mode:
COPIER>FUNCTION>CLEANING>WIRE-CLN*1
3. after the end of cleaning, at the end of every 2,000 prints*2
4. in a low temperature or high humidity environment, if the fixing roller is 160 deg C or less when the power is turned on
*1: The machine executes it when the primary charging wire or the transfer charging wire has been replaced.
*2: The default cleaning interval may be changed in service mode (COPIER> OPTION> BODY> W-CLN-P).
F-7-15
The following signals are associated with the mechanism:
[1] Primary charging wire cleaning motor reverse direction signal; when '1', the wire cleaner moves toward the rear.
[2] Primary changing wire cleaning motor normal direction signal; when '1', the wire cleaner moves toward the front.
7.5.2.3 Others
0009-4075
SERVICE MODE:
COPIER>FUNCTION>CLEANING>WIRE-CLN
Use it so that the machine causes the wire cleaner to make 5 round trips to automatically clean the charging wire when the primary charging wire or the
transfer wire has been replaced.
COPIER>OPTION>BODY>W-CLN-P
Use it to specify the interval at which the primary charging wire is automatically cleaned in terms of the number of prints made.
7.5.3 Dust-Collecting Roller Bias
7.5.3.1 Overview
0009-4077
The machine is equipped with a dust-colleting roller to collect stray toner occurring after development. The toner collected on its surface is removed by
the work of a scraper.
The following item is associated with the dust-collecting roller bias control system:
1. turning on/off the dust-collecting roller bias
The following shows the construction of the dust-collecting roller bias:
Primary changing assembly
Wire
DC controller PCB
(to rear)
(to front)
PRIMARY_CLEAN_OUT1 [1]
J103A
Wire cleaner
PRIMARY_CLEAN_OUT2 [2]
Primary charging
wire cleaning motor
(M6)