Canon LBP-2000 Manuel de service télécharger pdf (Page 97)

CHAPTER 2

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b. Delivery assembly stationary jam

A delivery trailing edge delivery jam or a delivery stationary jam is identified by the DC controller

as a delivery assembly stationary jam.

When the CPU on the DC controller PCB detects a jam, it will stop printing operation and

indicates the fact to the video controller.

• Delivery Trailing Edge Delay Jam

The delivery sensor (PI103) does not detect the absence of paper within a specific period of time

after the registration paper sensor goes off.

• Delivery Sensor (PI103) Stationary Jam

When printing is started from standby, the delivery sensor (PI103) does not detect the absence of

paper with a specific period of time after it detects the leading edge of paper.

• Sequence for a Delivery Trailing Edge Delay Jam

Main motor

(M101)

Delivery sensor

(PI103)

Registration paper

sensor (PI101)

Delivery sensor

jam check

Normal

Error

Jam message ON

Figure 2-5-18

• Sequence for a Delivery Stationery Jam

Main motor

(M101)

Deliver sensor

(PI103)

Delivery sensor

jam check

Normal

Error

Jam message ON

Figure 2-5-19

4 . Other jams

a. Residual jam

If the delivery sensor (PI103) detects the presence of paper within 1.4 sec after the start of initial

rotation (INTR), or if the registration sensor (PI102) detects the presence of paper at the start of

initial rotation (INTR), the DC controller will identify the condition as a residual jam.

When the CPU on the DC controller PCB detects a jam, it will stop printing operation and

indicate the presence of a jam to the video controller.

b. Front cover open jam

If the front cover is opened while paper is in the paper path, the DC controller will identify the

condition as a front cover open jam.

When the CPU on the DC controller PCB identifies a jam, it will stop the printing operation and

indicate the presence of a jam to the video controller.

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Canon LBP-2000 Manuel de service Page 97

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