Canon IR1600 - The Copy Is Blank

CHAPTER 13 TROUBLESHOOTING
COPYRIGHT © 2002 CANON INC. 2000 CANON iR1600/iR2000 REV.1 JAN. 2002
13-35
3.3.21 The copy is blank.
Developing assembly
1) Is the developing assembly firmly locked against the photosensi-
tive drum? (Check to see if the rolls of the developing assembly
are in firm contact.)
NO: Mount the developing assembly correctly.
Laser shutter arm, Laser shutter
2) Are the laser shutter arm and the laser shutter operating normally?
Are they damaged?
YES: Replace the faulty part.
High-voltage leaf spring
3) Is the connection between the contact of the high-voltage left spring
and the developing assembly normal?
NO: Clean the contacts. If the fault is not corrected or deformation/dam-
age is found, replace the faulty part. In the cassette of the leaf
spring of the developing assembly, replace the developing assem-
bly.
Drum unit
4) Try replacing the drum unit. Is the fault corrected?
YES: End.
Developing assembly
5) Try replacing the developing assembly. Is the fault corrected?
YES: End.
High-voltage leaf spring, DC controller PCB
6) Is the connection between the contact for the developing bias on the
DC controller PCB and the contact of the leaf spring for the devel-
oping bias normal?
YES: Replace the DC controller PCB.
NO: Clean the contact. If the problem is not corrected, or deformation/
damage is found, replace the faulty part.