Chapter 1 Service Call Procedure
1.3 TRIM Servicing
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1.3 TRIM Servicing
TRIM Servicing for DocuPrint C1110/C1110B is performed in all SM/UM to maintain the performance
of the machine. Independent visits for TRIM Servicing does not take place.
1.3.1 TRIM Servicing Procedure
1. Check overall operation before servicing
• Make prints with a test pattern containing 20% color pattern for each color, gradation pattern
and grid pattern.
1. 20% color pattern for each color: Checks for any scratches on the Transfer Assy and Drum,
and for fusing failure.
2. Gradation pattern : Checks for improper low-density reproducibility, color
balance and fusing failure.
3. Grid pattern : Checks for color misalignment and fusing failure.
* Refer to Chapter 2 Troubleshooting 2.6.7.8 Test Print on executing test print.
2. Clean the interior of the machine
• Clean toner residues and paper powder etc. in the paper delivery system.
(Clean especially the operation section of the operator.)
3. Inspect parts that require periodic replacement (consumables) and replace them if necessary.
4. Safety Precautions
• Check the connection of the power plug and any damage on the cord and the plug.
5. Check the overall operation after servicing as follows:
• Check machine operation.
• Check the print quality.
• Check the billing meter reading.